Granted Patent
Utility
US 4,539,685 · App. 06/414,097
Passively Q-switched laser having a variable pulse rate
Inventors:
Richard A. Hart, Charles Bartkowski
Patented Case
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Granted: Sep 3, 1985
Filed: Sep 2, 1982
Inventors
Richard A. Hart
Charles Bartkowski
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.