Inventor · Fairfax, VA, US

Rolland Welch

1Patents
1h-index
3Co-inventors
25Inventor score

Filing activity: Jan 16, 1975 → Jan 16, 1975

Most-cited inventions

PatentTitleAreaCited byStatus
US3993193A Document sorting system Performing Operations; Transporting 5 Expired

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