Granted Patent
Utility
US 4,335,312 · App. 06/165,176
Coupling bar for X-ray tomography apparatus
Inventor:
Volker Onken
Patented Case
View Patent ↗
Granted: Jun 15, 1982
Filed: Jul 2, 1980
Inventor
Volker Onken
Assignee (at issue)
U.S. Philips Corporation
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.