Granted Patent
Utility
US 4,260,136 · App. 06/126,623
Suspension hook assembly
Inventors:
James Roger Harman, William M. Larson, J. B. Threat
Patented Case
View Patent ↗
Granted: Apr 7, 1981
Filed: Mar 3, 1980
Inventors
James Roger Harman
William M. Larson
J. B. Threat
Assignee (at issue)
Eaton 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.