Granted Patent
Utility
US 4,248,096 · App. 06/049,428
Machine for fatigue testing of materials
Inventor:
Alfred Marcum
Patented Case
View Patent ↗
Granted: Feb 3, 1981
Filed: Jun 18, 1979
Inventor
Alfred Marcum
Assignee (at issue)
Monsanto Research Corporation
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.