Granted Patent
Utility
US 5,256,056 · App. 07/751,015
Self-clamping mold assembly
Inventors:
Robert L. Brown, Michael K. Parrent, David E. Baxter, John C. White
Patented Case
View Patent ↗
Granted: Oct 26, 1993
Filed: Aug 28, 1991
Inventors
Robert L. Brown
Michael K. Parrent
David E. Baxter
John C. White
Assignee (at issue)
GenCorp, 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.