Granted Patent
Utility
US 4,412,690 · App. 06/256,352
Suspension system
Inventors:
B. Robert Prokop, Terry L. Trindle
Patented Case
View Patent ↗
Granted: Nov 1, 1983
Filed: Apr 22, 1981
Inventors
B. Robert Prokop
Terry L. Trindle
Assignee (at issue)
KELSEY-HAYES-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.