Granted Patent
Utility
US 4,677,873 · App. 06/812,661
Transfer case with inter-axle dual-planetary differential
Inventors:
Richard E. Eastman, Randolph C. Williams
Patented Case
View Patent ↗
Granted: Jul 7, 1987
Filed: Dec 23, 1985
Inventors
Richard E. Eastman
Randolph C. Williams
Assignee (at issue)
Chrysler Motors Corporation
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.