Granted Patent
Utility
US 4,483,424 · App. 06/470,117
Automatic slack adjuster
Inventor:
Ladislav Kelemen
Patented Case
View Patent ↗
Granted: Nov 20, 1984
Filed: Feb 28, 1983
Inventor
Ladislav Kelemen
Assignee (at issue)
The Firestone Tire & Rubber 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.