Inventor · Fort Wayne, IN, US

Robert L. Douglas

4Patents
4h-index
8Co-inventors
47Inventor score

Filing activity: Feb 3, 1978 → Nov 12, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
US4182979A D-C. electric torquing system Emerging Cross-Sectional Technologies 21 Expired
US6234586A Parking brake lock-in key switch system for vehicle air brake system Performing Operations; Transporting 15 Expired
US6007159A Parking brake lock-in key switch system for vehicle air brake system Performing Operations; Transporting 10 Expired
US7789462B2 Child restraint lower anchorage for a motor vehicle seat Performing Operations; Transporting 10 Active

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