Granted Patent
Utility
US 4,336,720 · App. 06/180,376
Load sensing system
Inventor:
James A. Prokop
Patented Case
View Patent ↗
Granted: Jun 29, 1982
Filed: Aug 22, 1980
Inventor
James A. Prokop
Assignee (at issue)
Lull Engineering Company, 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.