이 특허에 인용된 특허 (36)

1. Loeser, William A., Apparatus for assisting animals in ascending elevated areas.

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2. Lucero Jay M. (2453 Ridgewood #4 West Covina CA 91792), Apparatus to convert a crib to a bed, and having a step.

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3. Brown, Timothy, Bed step device and method.

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4. Brown, Timothy, Bed step device and method.

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5. Smith Donald H., Boat boarding system for dogs.

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6. Smith Jason T., Cat litter box threshold.

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7. Duane Julie N. (P.O. Box 20604 Sedowa AZ 86341), Collapsible, portable pet rest attachable to a bed.

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8. Myrick Kenneth W., Combination pet ramp and utility table.

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9. Mogck Leonard F. (Colorado Springs CO), Convertible step and ramp combination.

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10. Ceike Shapiro Kathy (3600 Embassy Dr. West Palm Beach FL 33401), Crib structure with slidable steps providing storage compartments.

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11. Peota, Robert D.; Stoltz, Robert P., Display unit.

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12. Birck, Kenneth William, Elevated bed and staircase for pets.

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13. Appleton, Tammy, Exercise steps.

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14. Steffey, Sue; Rorke, Brooks, Folding pet ramp and steps.

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15. Valentino Pearl T. (5002 - 9 Ave. ; Rear Ground Brooklyn NY 11220), Hospital bed step.

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16. Hosono Tsugimori (1105 Kipp Kemah TX 77065), Infant crib and staircase.

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17. Walters Tom (2102 Mason Blvd. Point Pleasant WV 25550), Level step stair walkway.

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18. Balzer Karen B. (Houston TX), Mobile stair system for pets and animals, method of making said mobile stair system.

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19. Trauernicht, Catherine; MacLean-Blevins, Mark T., Multi-segmented deployable arched ramp.

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20. Bishop, Lawrence, Pet ramp.

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21. Sloan Lois C. (20924 Snag Island Dr. E. Sumner WA 98390) LeBeau Heidi (7705 Hampton Ave. ; Apt #323 Los Angeles CA 90046), Pet ramp.

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22. Zehner,Jeffrey, Pet ramp.

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23. Wolfington, Jeanne Rae; Hanson, Karen Kristen, Pet step and method.

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24. Ayers, Jr., Earl M., Pet-accessed lighted ramp assembly.

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25. Naragon Richard L. ; Naragon Dianne S., Portable dog ramp.

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26. Lagergren-Julander, Anita, Portable ramp.

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27. Witkin Roy T., Portable ramp device.

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28. Rumley, Glen, Portable seat.

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29. Rodgers Jeremiah, Spa step.

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30. Arvanites, Margherita, Step assembly for use with a vehicle.

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31. Weismiller Matthew W. ; Branson Gregory W. ; Kramer Kenneth L. ; Palermo Philip D. ; Ulrich David J. ; Albersmeyer David A. ; Brooke Jason C. ; Meyer Eric R. ; Miller John D., Step deck for a bed.

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32. Weismiller Matthew W. ; Branson Gregory W. ; Kramer Kenneth L. ; Palermo Philip D. ; Ulrich David J. ; Albersmeyer David A. ; Brooke Jason C. ; Meyer Eric R. ; Miller John D., Step deck for a bed.

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33. Karsten Lowell R. (9531 30th St. Stanley IA 50671) Karsten Deborah K. (9531 30th St. Stanley IA 50671) Goldenbogen Steven D. (733 Broughton St. ; Apt. #2 Pittsburgh PA 15213), Step device for pets.

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34. Johnson, Lawrence C, Step extender.

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35. Northrop,Melaney; Foster,Michael A., Step staircase for pets.

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36. Batterton, Richard, Veterinary bathing station with rotating ingress/egress ramp.

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