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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0621338 (1990-12-03) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 10 인용 특허 : 0 |
A hand operated aerator for cutting a plurality of holes in turf and soil to facilitate incoporation of air, water, and plant nutrients into the soil and has an upright member attached to a pan. A plurality of tubes attached to the pan are pushed into the turf and soil to cut holes therein. A foot l
An apparatus for making holes in soil comprising: a first member having an upper end and a lower end, a second member secured to the lower end of the first member, first means including a plurality of tubular members secured to the second member and extended downwardly from the second member for mak
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