Granted Patent
Utility
US 5,040,446 · App. 07/641,454
Tambourine
Inventors:
Wayne Cohen, Donald Kralik
Patented Case
View Patent ↗
Granted: Aug 20, 1991
Filed: Jan 14, 1991
Inventors
Wayne Cohen
Donald Kralik
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.