Gravel scarifying device

Earth working – Diverse tools – Second implement follows path of first

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Details

1726845, 172140, 172198, 172200, 172753, 172762, A01B 4902

Patent

active

054070147

ABSTRACT:
A scarifier/grader apparatus comprises, in combination, a tractor connected through a 3-point hitch to a scarifier/grader attachment wherein:

REFERENCES:
patent: 2840933 (1958-07-01), Brem
patent: 3430703 (1969-03-01), Richey
patent: 3470964 (1969-10-01), West et al.
patent: 3834465 (1974-09-01), Collins
patent: 3999315 (1976-12-01), Nye
patent: 4217962 (1980-08-01), Schaefer
patent: 4553608 (1985-11-01), Miskin
patent: 4924945 (1990-05-01), Mork
patent: 5265975 (1993-11-01), Scott

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