Granted Patent
Utility
US 5,239,552 · App. 07/861,382
Laser output unit
Inventors:
Hiroyuki Okuyama, Minoru Kojima, Mitsugu Terada, Seigoh Murakami, Takahiro Uchida
Patented Case
View Patent ↗
Granted: Aug 24, 1993
Filed: Mar 31, 1992
Inventors
Hiroyuki Okuyama
Minoru Kojima
Mitsugu Terada
Seigoh Murakami
Takahiro Uchida
Assignees (at issue)
Miyachi Technos Corporation
Mitsui Petrochemical Industries, Ltd.
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.