Inventor · Calgary, AB, CA

Derek Gratz

2Patents
2h-index
2Co-inventors
24Inventor score

Filing activity: Nov 24, 1993 → Aug 22, 1994

Most-cited inventions

PatentTitleAreaCited byStatus
US5348322A Snow luge Performing Operations; Transporting 6 Expired
US5551714A Snow luge Performing Operations; Transporting 3 Expired

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