Granted Patent
Utility
US 4,246,645 · App. 06/040,876
Passive annihilator
Inventor:
Sidney J. Schwartz
Patented Case
View Patent ↗
Granted: Jan 20, 1981
Filed: May 21, 1979
Inventor
Sidney J. Schwartz
Assignee (at issue)
Burroughs, Inc.
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.