Granted Patent
Utility
US 5,226,777 · App. 07/662,409
Load lifting system for vehicles
Inventor:
Vladimir Radev
Patented Case
View Patent ↗
Granted: Jul 13, 1993
Filed: Feb 28, 1991
Inventor
Vladimir Radev
Assignee (at issue)
Simmons-Rand 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.