Granted Patent
Utility
US 4,776,335 · App. 06/919,319
Laser spot projector
Inventors:
Takaji Nakanishi, David R. Hennings, Masao Niino
Patented Case
View Patent ↗
Granted: Oct 11, 1988
Filed: Oct 14, 1986
Inventors
Takaji Nakanishi
David R. Hennings
Masao Niino
Assignees (at issue)
KOWA COMPANY LTD.
Coherent, 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.