Granted Patent
Utility
US 4,413,219 · App. 06/364,677
Fork truck battery charging system
Inventors:
Ronald Ducharme, Robin Taylor
Patented Case
View Patent ↗
Granted: Nov 1, 1983
Filed: Apr 2, 1982
Inventors
Ronald Ducharme
Robin Taylor
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.