Inventor

CARTNER DONALD W

5 patents

⚠️ This page may combine multiple inventors who share the name “CARTNER DONALD W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HOPKINS MFG CORP

2 patents

US4040140AAug 9, 1977

Ice scraper

HOPKINS MFG CORP32 citations88

US4141111AFeb 27, 1979

Ice scraper

HOPKINS MFG CORP19 citations81

HOPKINS MFG CORPORATION

2 patents

USD258779SApr 7, 1981

Combined brush and scraper to be used in cleaning windshields

HOPKINS MFG CORPORATION27 citations81

USD246414SNov 22, 1977

Ice and snow scraper

HOPKINS MFG CORPORATION13 citations69

HOPKINS EVAN L

1 patent

USD267291SDec 21, 1982

Windshield cleaning brush

HOPKINS EVAN L5 citations59