Granted Patent
Utility
US 5,739,507 · App. 08/592,685
Keyboard for cash registers and other registers
Inventor:
Gerhard Hochgesang
Patented Case
View Patent ↗
Granted: Apr 14, 1998
Filed: Jan 26, 1996
Inventor
Gerhard Hochgesang
Assignee (at issue)
Preh-Werke GmbH & Co. KG
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.