Granted Patent
Utility
US 6,113,342 · App. 09/133,073
Self-aligning battery changing system for electric battery-powered vehicles
Inventors:
Timothy W. Smith, Melvin Scott, Fred D. Boyd
Patented Case
View Patent ↗
Granted: Sep 5, 2000
Filed: Aug 12, 1998
Inventors
Timothy W. Smith
Melvin Scott
Fred D. Boyd
Assignee (at issue)
Long-Airdox 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.