Inventor · Parkersburg, IA, US

David D. Drenner

3Patents
2h-index
4Co-inventors
33Inventor score

Filing activity: Jul 25, 1980 → Sep 4, 1987

Most-cited inventions

PatentTitleAreaCited byStatus
US4508071A Canister retainer assembly Mechanical Engineering; Lighting; Heating 15 Expired
USD305519S Utility hauling vehicle General 6 Expired
US4386588A Canister retainer assembly Mechanical Engineering; Lighting; Heating 1 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.