Granted Patent
Utility
US 4,724,243 · App. 06/947,346
Hot melt magnetic sealant, method of making and method of using same
Inventor:
Bruce Harrison
Patented Case
View Patent ↗
Granted: Feb 9, 1988
Filed: Dec 29, 1986
Inventor
Bruce Harrison
Assignee (at issue)
United Technologies Automotive
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.