Granted Patent
Utility
US 4,262,228 · App. 06/058,532
Electric lamp with U-shaped support wires
Inventor:
Oliver B. Cruse
Patented Case
View Patent ↗
Granted: Apr 14, 1981
Filed: Jul 18, 1979
Inventor
Oliver B. Cruse
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.