Inventor

MCGREGOR CHARLES D

US3 patents

⚠️ This page may combine multiple inventors who share the name “MCGREGOR CHARLES D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RAMTEK CORP

2 patents

US4403874ASep 13, 1983

Color printer and multi-ribbon cartridge therefor

RAMTEK CORP69 citations94

US4504160AMar 12, 1985

Color printer and multi-ribbon cartridge therefor

RAMTEK CORP11 citations71

MEDSTONE INTERNATIONAL INC

1 patent

US4896673AJan 30, 1990

Method and apparatus for stone localization using ultrasound imaging

MEDSTONE INTERNATIONAL INC564 citations94