Granted Patent
Utility
US 4,424,701 · App. 06/360,432
Ultrasonic measuring sensor for the fixing station of a non-mechanical printing or copying device
Inventor:
Eduard Mair
Patented Case
View Patent ↗
Granted: Jan 10, 1984
Filed: Mar 22, 1982
Inventor
Eduard Mair
Assignee (at issue)
Siemens Aktiengesellschaft
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.