Granted Patent
Utility
US 4,981,065 · App. 07/438,664
Cowbell with striking ridge
Inventor:
Wayne Cohen
Patented Case
View Patent ↗
Granted: Jan 1, 1991
Filed: Nov 17, 1989
Inventor
Wayne Cohen
Assignee (at issue)
Latin Percussion 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.