Granted Patent
Utility
US 5,871,330 · App. 08/857,732
Method of moving a vehicle from a first location to a second location with a hoist mechanism
Inventor:
Dale Davenport
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: May 16, 1997
Inventor
Dale Davenport
Assignee (at issue)
The Heil 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.