Granted Patent
Utility
US 5,074,772 · App. 07/595,573
Mold for injection molded parts made of plasticizable material
Inventor:
Lothar Gutjahr
Patented Case
View Patent ↗
Granted: Dec 24, 1991
Filed: Oct 11, 1990
Inventor
Lothar Gutjahr
Assignee (at issue)
Klockner Ferromatik Desma GmbH
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.