Granted Patent
Utility
US 4,342,113 · App. 06/144,054
Laser apparatus
Inventor:
Akiyoshi Iwata
Patented Case
View Patent ↗
Granted: Jul 27, 1982
Filed: Apr 28, 1980
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.