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SCARIFYING AND SCRAPING IMPLEMENT
US 3,430,703 A
Filed
: 03/20/1967
Issued
: 03/04/1969
Est. Priority Date
: 03/20/1967
Status: Expired due to Term
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Current Assignee
Clarence B. Richey
Original Assignee
Clarence B. Richey
Inventors
Richey, Clarence B.
Application Number
US04/624,557
Time in Patent Office
715 Days
Field of Search
US Class Current
172/136
CPC Class Codes
A01B 35/00
Other machines for working ...
A01B 49/02
with two or more soil-worki...
E02F 3/8155
provided with movable parts...
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