Granted Patent
Utility
US 4,981,627 · App. 07/389,438
Method for closure heating
Inventor:
E. Eugene Eves, II
Patented Case
View Patent ↗
Granted: Jan 1, 1991
Filed: Aug 4, 1989
Inventor
E. Eugene Eves, II
Assignee (at issue)
Raytheon Company
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.