Granted Patent
Utility
US 6,418,155 · App. 09/297,372
Laser device
Inventors:
Osamu Wakabayashi, Tatsuya Ariga, Toru Igarashi, Shoichi Sakanishi, Tomokazu Takahashi
Patented Case
View Patent ↗
Granted: Jul 9, 2002
Filed: Jun 17, 1999
Inventors
Osamu Wakabayashi
Tatsuya Ariga
Toru Igarashi
Shoichi Sakanishi
Tomokazu Takahashi
Assignee (at issue)
KOMATSU 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.