Inventor · New Hope, MN, US

Philip E. Koenigs

2Patents
2h-index
2Co-inventors
30Inventor score

Filing activity: Oct 2, 1987 → Dec 14, 1992

Most-cited inventions

PatentTitleAreaCited byStatus
US4805256A Scrubber squeegee pivoted concentric with brush drive Human Necessities 27 Expired
US5295277A Convertible sweeper Fixed Constructions 16 Expired

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