Inventor · Beaver Dam, WI, US

Douglas A. Dray

3Patents
3h-index
Co-inventors
30Inventor score

Filing activity: Jan 5, 2001 → Nov 14, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US6663130B1 Method of using pontoon trailer travel kit Performing Operations; Transporting 4 Expired
US6481737B2 Pontoon trailer travel kit Performing Operations; Transporting 4 Expired
US6648360B1 Combination pontoon boat, trailer and travel kit Performing Operations; Transporting 3 Expired

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