05076180 is referenced by 61 patents and cites 11 patents.

A trash clearing brush unit for use ahead of a planter unit including a pair of circular brushes rotatably mounted to a vertical support bar and angularly inclined toward one another. The support bar is attachable to a planter unit and vertically adjustable with respect thereto.

Title
Trash clearing brush unit for a planter unit
Application Number
7/598843
Publication Number
5076180
Application Date
October 15, 1990
Publication Date
December 31, 1991
Inventor
John T Schneider
Shirley
IL, US
Agent
Lee Mann Smith McWilliams & Sweeney
Assignee
Yetter Manufacture Company
IL, US
IPC
A01C 5/00
View Original Source