IP Library Granted Patent US 4,342,247
Granted Patent Utility
US 4,342,247 · App. 06/182,121

Production of detuning effects in an electronic musical instrument

Inventors: Anthony C. Ippolito, William R. Hoskinson
Patented Case View Patent ↗
Granted: Aug 3, 1982 Filed: Aug 28, 1980
Inventors
Anthony C. Ippolito
William R. Hoskinson
Assignee (at issue)
The Wurlitzer 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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 4,342,247
App. No.
06/182,121
Filed
1980-08-28
Granted
1982-08-03
Kind
A