Granted Patent
Utility
US 4,277,916 · App. 06/130,286
Lens chucking apparatus
Inventor:
Rato R. Buhler
Patented Case
View Patent ↗
Granted: Jul 14, 1981
Filed: Mar 14, 1980
Inventor
Rato R. Buhler
Assignee (at issue)
American Optical Corporation
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.