Inventor
WILLIAMS DONALD E
US17 patents
⚠️ This page may combine multiple inventors who share the name “WILLIAMS DONALD E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ACRA PLANT
8 patentsUS4598654AJul 8, 1986
Furrow opener and follower blade
ACRA PLANT74 citations95
US4867248ASep 19, 1989
Shank mounting assembly for soil opening point
ACRA PLANT24 citations92
US4773340ASep 27, 1988
Subsoil applicator
ACRA PLANT27 citations92
US4425973AJan 17, 1984
Trash clearing disc assembly for planters
ACRA PLANT36 citations92
US4269274AMay 26, 1981
Streamlined wear-resistant deep tillage tool
ACRA PLANT48 citations92
US4033271AJul 5, 1977
Apparatus for subsoil application
ACRA PLANT41 citations92
US4295532AOct 20, 1981
Planter with cooperating trash clearing discs
ACRA PLANT114 citations91
US4321972AMar 30, 1982
Seed planter furrow opener and follower therefor
ACRA PLANT16 citations73
WILLIAMS DONALD E
3 patentsUS4685501AAug 11, 1987
Remotely controlled inflation/deflation valve system for a vehicle tire
WILLIAMS DONALD E81 citations95
US5193871AMar 16, 1993
Lawn-care device for extracting weeds and removing debris
WILLIAMS DONALD E28 citations91
US4412692ANov 1, 1983
Appliance for a book or the like
WILLIAMS DONALD E17 citations72