Inventor · Calgary, AB, CA

John M. Ballachey

1Patents
1h-index
4Co-inventors
25Inventor score

Filing activity: Sep 19, 1985 → Sep 19, 1985

Most-cited inventions

PatentTitleAreaCited byStatus
US4616454A Slant service rig Fixed Constructions 20 Expired

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