Granted Patent
Utility
US 4,232,276 · App. 05/841,019
Laser apparatus
Inventor:
Akiyoshi Iwata
Patented Case
View Patent ↗
Granted: Nov 4, 1980
Filed: Oct 11, 1977
Inventor
Akiyoshi Iwata
Assignee (at issue)
Quanta Ray, 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.