Inventor · Tamm, DE

Richard Hetmann

3Patents
3h-index
5Co-inventors
39Inventor score

Filing activity: Oct 7, 1977 → Jan 6, 1984

Most-cited inventions

PatentTitleAreaCited byStatus
US4571884A Arrangement for lowering and lifting of a window of a motor vehicle door Fixed Constructions 18 Expired
US4225008A Theft-proof system for motor vehicles Emerging Cross-Sectional Technologies 10 Expired
US4151508A Vehicle theft protection arrangement Performing Operations; Transporting 8 Expired

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