Granted Patent
Utility
US 4,302,697 · App. 06/095,405
Pressure relief hole seal for a sealed-beam headlamp
Inventors:
Nickolas Peter Demas, James E. Bair, Robert A. Grunder
Patented Case
View Patent ↗
Granted: Nov 24, 1981
Filed: Nov 19, 1979
Inventors
Nickolas Peter Demas
James E. Bair
Robert A. Grunder
Assignee (at issue)
Wagner Electric 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.