Granted Patent
Utility
US 4,360,074 · App. 06/214,535
Hydraulic anti-theft device
Inventor:
Donald J. Parquet
Patented Case
View Patent ↗
Granted: Nov 23, 1982
Filed: Dec 8, 1980
Inventor
Donald J. Parquet
Assignee (at issue)
J. I. Case Company
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.