Granted Patent
Utility
US 4,238,048 · App. 06/070,281
Plug seal
Inventor:
Jay C. Elander
Patented Case
View Patent ↗
Granted: Dec 9, 1980
Filed: Aug 27, 1979
Inventor
Jay C. Elander
Assignee (at issue)
Honeywell Limited
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.