Granted Patent
Utility
US 5,219,973 · App. 07/623,469
Polyurea rim systems
Inventors:
William E. Slack, Mark R. Kratz
Patented Case
View Patent ↗
Granted: Jun 15, 1993
Filed: Dec 7, 1990
Inventors
William E. Slack
Mark R. Kratz
Assignee (at issue)
Miles Inc.
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.