Granted Patent
Utility
US 4,512,021 · App. 06/369,294
Passively Q-switched square bore waveguide laser
Inventors:
Peter P. Chenausky, Richard A. Hart
Patented Case
View Patent ↗
Granted: Apr 16, 1985
Filed: Apr 16, 1982
Inventors
Peter P. Chenausky
Richard A. Hart
Assignee (at issue)
UNITED TECHNOLOGIES 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.