Granted Patent
Utility
US 5,031,483 · App. 07/417,838
Process for the manufacture of laminated tooling
Inventor:
William R. Weaver
Patented Case
View Patent ↗
Granted: Jul 16, 1991
Filed: Oct 6, 1989
Inventor
William R. Weaver
Assignee (at issue)
W. R. Weaver Co.
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.