Inventor

RAMSAY BERTRUM S

US3 patents

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

HEIDELBERG HARRIS INC

1 patent

US5284093AFeb 8, 1994

Plate cylinder with semi-automatic plate lock up

HEIDELBERG HARRIS INC32 citations88

HEIDELBERGER DRUCKMASCH AG

1 patent

US5492062AFeb 20, 1996

Printing cylinder positioning device and method

HEIDELBERGER DRUCKMASCH AG17 citations71

HEIDELBERG HARNS INC

1 patent

US5553544ASep 10, 1996

Plate cylinder

HEIDELBERG HARNS INC7 citations63