Granted Patent
Utility
US 4,459,485 · App. 06/380,166
Gamma tomography apparatus comprising a parallelogram suspension system
Inventor:
Francis J. Span
Patented Case
View Patent ↗
Granted: Jul 10, 1984
Filed: May 20, 1982
Inventor
Francis J. Span
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.