Granted Patent
Utility
US 5,455,713 · App. 08/081,629
High performance, thermally-stabilized projection television lens systems
Inventor:
Melvyn H. Kreitzer
Patented Case
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Granted: Oct 3, 1995
Filed: Jun 23, 1993
Inventor
Melvyn H. Kreitzer
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.