Inventor · Sioux Falls, SD, US

Keith Polzin

4Patents
4h-index
20Co-inventors
54Inventor score

Filing activity: Jul 22, 1985 → May 7, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
USD295007S Wall-mounted foldable work bench General 31 Expired
US6854926B2 Zero ground disturbance system Performing Operations; Transporting 19 Expired
US6305486A Hydrostatic drive and steering system for a utility vehicle Performing Operations; Transporting 14 Expired
US8959846B2 Granular material storage capacity increasing device and system Emerging Cross-Sectional Technologies 6 Active

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