Granted Patent
Utility
US 4,957,585 · App. 07/300,750
High pressure lamination chamber
Inventor:
Louis R. Semff
Patented Case
View Patent ↗
Granted: Sep 18, 1990
Filed: Jan 23, 1989
Inventor
Louis R. Semff
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.