Granted Patent
Utility
US 4,299,496 · App. 05/958,042
Load proximity detection techniques
Inventor:
John J. Lord
Patented Case
View Patent ↗
Granted: Nov 10, 1981
Filed: Nov 6, 1978
Inventor
John J. Lord
Assignee (at issue)
The Interlake Companies, 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.