Granted Patent
Utility
US 5,042,821 · App. 07/582,994
Seal for optical scanner window
Inventor:
Craig H. Bontly
Patented Case
View Patent ↗
Granted: Aug 27, 1991
Filed: Sep 14, 1990
Inventor
Craig H. Bontly
Assignee (at issue)
Spectra-Physics, Inc.
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.