Granted Patent
Utility
US 4,773,971 · App. 06/925,450
Thin film mandrel
Inventors:
Si-Ty Lam, Glenn W. Weberg
Patented Case
View Patent ↗
Granted: Sep 27, 1988
Filed: Oct 30, 1986
Inventors
Si-Ty Lam
Glenn W. Weberg
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.