Granted Patent
Utility
US 4,336,439 · App. 06/193,330
Method and apparatus for laser scribing and cutting
Inventors:
Michael W. Sasnett, Richard J. Saunders
Patented Case
View Patent ↗
Granted: Jun 22, 1982
Filed: Oct 2, 1980
Inventors
Michael W. Sasnett
Richard J. Saunders
Assignee (at issue)
Coherent, 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.