Granted Patent
Utility
US 4,473,737 · App. 06/306,447
Reverse laser drilling
Inventor:
Thomas R. Anthony
Patented Case
View Patent ↗
Granted: Sep 25, 1984
Filed: Sep 28, 1981
Inventor
Thomas R. Anthony
Assignee (at issue)
General Electric Company
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.