Granted Patent
Utility
US 4,390,156 · App. 06/228,703
Fabricated sheet metal compression mold and method of making
Inventors:
Leonard S. Meyer, Michael Murray, Gerald G. Hayes, Robert L. McClain
Patented Case
View Patent ↗
Granted: Jun 28, 1983
Filed: Jan 23, 1981
Inventors
Leonard S. Meyer
Michael Murray
Gerald G. Hayes
Robert L. McClain
Assignee (at issue)
Victor United, 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.