Gravel scarifying and levelling device

Earth working – Tool – standard or connection – Specific tool and standard connection

Patent

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Details

172382, 172713, A01B 1902

Patent

active

054070139

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

REFERENCES:
patent: 776394 (1904-11-01), Haworth
patent: 2374424 (1945-04-01), Davis
patent: 3643747 (1972-02-01), Taylor et al.
patent: 3705630 (1972-12-01), Vissers
patent: 4924946 (1990-05-01), Dietrich, Sr.
patent: 5248000 (1993-09-01), Goto et al.

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