Granted Patent
Utility
US 4,951,565 · App. 06/934,037
Printing mechanism with torque limiting detent elements on actuating knob
Inventor:
Heinrich Volk
Patented Case
View Patent ↗
Granted: Aug 28, 1990
Filed: Nov 24, 1986
Inventor
Heinrich Volk
Assignee (at issue)
Esselte Meto International 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.