Granted Patent
Utility
US 5,521,352 · App. 08/125,922
Laser cutting apparatus
Inventor:
William E. Lawson
Patented Case
View Patent ↗
Granted: May 28, 1996
Filed: Sep 23, 1993
Inventor
William E. Lawson
Assignee (at issue)
Laser Machining, 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.