Inventor
CLARK RICHARD H
GB9 patents
⚠️ This page may combine multiple inventors who share the name “CLARK RICHARD H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DEERE & CO
6 patentsUS5443125AAug 22, 1995
Scraper for planting mechanism gauge wheel
DEERE & CO94 citations94
US5081942AJan 21, 1992
Depth adjusting device for a furrow opener
DEERE & CO23 citations92
US4570554AFeb 18, 1986
Adjustable width closing wheels for planter row units
DEERE & CO32 citations91
USD284767SJul 22, 1986
Planter row shank mounting bracket
DEERE & CO40 citations90
USD284669SJul 15, 1986
Planter row frame support
DEERE & CO40 citations89
US5358055AOct 25, 1994
Partial width seeding attachment
DEERE & CO10 citations73