Granted Patent
Utility
US 5,504,628 · App. 08/180,631
Passive athermalization of optics
Inventor:
Joseph F. Borchard
Patented Case
View Patent ↗
Granted: Apr 2, 1996
Filed: Jan 13, 1994
Inventor
Joseph F. Borchard
Assignee (at issue)
Texas Instruments Incorporated
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.