Inventor · Dunkerton, IA, US

Robert L. Rigdon, Sr.

1Patents
1h-index
6Co-inventors
25Inventor score

Filing activity: Aug 25, 1988 → Aug 25, 1988

Most-cited inventions

PatentTitleAreaCited byStatus
US4936634A Removable wheel tread adjusting device Performing Operations; Transporting 6 Expired

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