Granted Patent
Utility
US 4,478,022 · App. 06/379,312
Insulation system and method and apparatus for retaining same
Inventors:
Harold C. Wilkinson, Charles C. Pease, Kevin Wall
Patented Case
View Patent ↗
Granted: Oct 23, 1984
Filed: May 18, 1982
Inventors
Harold C. Wilkinson
Charles C. Pease
Kevin Wall
Assignee (at issue)
KSM Fastening Systems 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.