Granted Patent
Utility
US 4,729,917 · App. 06/922,697
Method and laminate for thermoforming automobile headliners and like three dimensional objects
Inventors:
Andrew J. Symdra, Harry J. Rozek
Patented Case
View Patent ↗
Granted: Mar 8, 1988
Filed: Oct 24, 1986
Inventors
Andrew J. Symdra
Harry J. Rozek
Assignee (at issue)
Sackner Products, 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.