Granted Patent
Utility
US 4,761,629 · App. 06/908,837
Injection moldable core insulation tubes
Inventors:
Richard W. Martin, Herbert J. Macemon, William R. Fortenberry
Patented Case
View Patent ↗
Granted: Aug 2, 1988
Filed: Sep 18, 1986
Inventors
Richard W. Martin
Herbert J. Macemon
William R. Fortenberry
Assignee (at issue)
Kuhlman 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.