Granted Patent
Utility
US 3,932,756 · App. 05/477,897
X-ray detector for a panoramic X-ray device
Inventors:
David Matthew Joseph Cowell, Frieder H. Ensslin
Patented Case
View Patent ↗
Granted: Jan 13, 1976
Filed: Jun 24, 1974
Inventors
David Matthew Joseph Cowell
Frieder H. Ensslin
Assignee (at issue)
Sybron 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.