Granted Patent
Utility
US 4,273,494 · App. 05/946,152
Storage rack entry vehicle
Inventors:
James C. Swain, John D. Dickson, Larry E. Schluer
Patented Case
View Patent ↗
Granted: Jun 16, 1981
Filed: Sep 27, 1978
Inventors
James C. Swain
John D. Dickson
Larry E. Schluer
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.