Granted Patent
Utility
US 4,811,375 · App. 06/893,152
X-ray tubes
Inventor:
Heinrich F. Klostermann
Patented Case
View Patent ↗
Granted: Mar 7, 1989
Filed: Aug 18, 1986
Inventor
Heinrich F. Klostermann
Assignee (at issue)
Medical Electronic Imaging 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.