Granted Patent
Utility
US 4,335,988 · App. 06/163,239
Trackside cam centering arrangement
Inventor:
Dennis B. Marsden
Patented Case
View Patent ↗
Granted: Jun 22, 1982
Filed: Jun 26, 1980
Inventor
Dennis B. Marsden
Assignee (at issue)
The Pullman Company LLC
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.