Granted Patent
Utility
US 4,522,099 · App. 06/561,172
Tone generator
Inventor:
Thomas T. Melsheimer
Patented Case
View Patent ↗
Granted: Jun 11, 1985
Filed: Dec 14, 1983
Inventor
Thomas T. Melsheimer
Assignee (at issue)
Adolph Coors 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.