Granted Patent
Utility
US 4,294,144 · App. 06/091,968
Apparatus for cutting sheet molding compound
Inventor:
Richard H. Hayes
Patented Case
View Patent ↗
Granted: Oct 13, 1981
Filed: Nov 7, 1979
Inventor
Richard H. Hayes
Assignee (at issue)
Eagle-Picher Industries, 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.