Granted Patent
Utility
US 4,560,034 · App. 06/747,685
Annular multi-piston brake apparatus
Inventors:
Willis E. Windish, Marvin Schneider
Patented Case
View Patent ↗
Granted: Dec 24, 1985
Filed: Jun 24, 1985
Inventors
Willis E. Windish
Marvin Schneider
Assignee (at issue)
Caterpillar Tractor Co.
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.