Inventor · Lethbridge, AB, CA

David E. Schaaf

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

Filing activity: Feb 11, 1986 → Feb 11, 1986

Most-cited inventions

PatentTitleAreaCited byStatus
US4686914A Seed planter Human Necessities 8 Expired

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