Inventor · Houston, TX, US

Donald E. Loeffler

1Patents
1h-index
2Co-inventors
22Inventor score

Filing activity: Sep 28, 1990 → Sep 28, 1990

Most-cited inventions

PatentTitleAreaCited byStatus
US5070131A Gear oil viscosity index improvers Chemistry; Metallurgy 37 Expired

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