Granted Patent
Utility
US 4,244,012 · App. 05/920,289
Lamp holder for projection aligner
Inventors:
Magnus Hansen, Walter T. Novak
Patented Case
View Patent ↗
Granted: Jan 6, 1981
Filed: Jun 29, 1978
Inventors
Magnus Hansen
Walter T. Novak
Assignee (at issue)
Computervision 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.