Granted Patent
Utility
US 4,677,640 · App. 06/779,538
Crystalline quartz laser window assembly
Inventors:
Alan Petersen, Robert C. Rempel, Joseph B. Lastovka, David F. Head, Lee R. Carlson
Patented Case
View Patent ↗
Granted: Jun 30, 1987
Filed: Sep 24, 1985
Inventors
Alan Petersen
Robert C. Rempel
Joseph B. Lastovka
David F. Head
Lee R. Carlson
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.