Granted Patent
Utility
US 5,285,874 · App. 07/901,256
Composite brake drum with improved locating means for reinforcement assembly
Inventor:
Ronald M. Revyn
Patented Case
View Patent ↗
Granted: Feb 15, 1994
Filed: Jun 19, 1992
Inventor
Ronald M. Revyn
Assignee (at issue)
The Budd 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.