Granted Patent
Utility
US 4,282,676 · App. 06/079,842
Mechanical sound mechanism
Inventor:
Robert E. Davis
Patented Case
View Patent ↗
Granted: Aug 11, 1981
Filed: Sep 28, 1979
Inventor
Robert E. Davis
Assignee (at issue)
Ideal Toy Corporation
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.