Granted Patent
Utility
US 4,937,714 · App. 07/302,575
Lighting system with halogen bulb
Inventor:
Jurgen Witt
Patented Case
View Patent ↗
Granted: Jun 26, 1990
Filed: Jan 26, 1989
Inventor
Jurgen Witt
Assignee (at issue)
W. C. Heraeus GmbH
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.