Granted Patent
Utility
US 4,206,587 · App. 06/000,866
Discharge means
Inventors:
John H. Freimuth, James T. Clevenger, Jr., Willis R. Campbell, Anthony F. Diederich, Jr.
Patented Case
View Patent ↗
Granted: Jun 10, 1980
Filed: Jan 4, 1979
Inventors
John H. Freimuth
James T. Clevenger, Jr.
Willis R. Campbell
Anthony F. Diederich, Jr.
Assignee (at issue)
Sperry Rand 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.