Granted Patent
Utility
US 4,595,218 · App. 06/520,494
Insulative coupling
Inventors:
John Frederic Carr, Leonard J. Kowal, Albert J. Schwarz
Patented Case
View Patent ↗
Granted: Jun 17, 1986
Filed: Aug 4, 1983
Inventors
John Frederic Carr
Leonard J. Kowal
Albert J. Schwarz
Assignee (at issue)
Imperial Clevite 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.