ARP Instruments, Inc.

Also on record

Records under this name other than patents ARP Instruments, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

Showing 1 to 9 of 9 · Back to ARP Instruments, Inc.

Patent	Title	Status	Expires	Confidence
US 3,930,429	Digital music synthesizer Term ended Term ended no later than Jan 6, 1996 · Low confidence	Term ended	Term ended no later than Jan 6, 1996	Low confidence
US 3,965,789	Electronic musical instrument effects control Term ended Term ended no later than Jun 29, 1996 · Low confidence	Term ended	Term ended no later than Jun 29, 1996	Low confidence
US 4,011,466	Dynamic filter Term ended Term ended no later than Mar 8, 1997 · Low confidence	Term ended	Term ended no later than Mar 8, 1997	Low confidence
US 4,044,642	Touch sensitive polyphonic musical instrument Term ended Term ended no later than Aug 30, 1997 · Low confidence	Term ended	Term ended no later than Aug 30, 1997	Low confidence
US 4,136,595	Single bus keyboard Term ended Term ended no later than Jan 30, 1999 · Low confidence	Term ended	Term ended no later than Jan 30, 1999	Low confidence
US 4,144,790	Choral generator Term ended Term ended no later than Mar 20, 1999 · Low confidence	Term ended	Term ended no later than Mar 20, 1999	Low confidence
US 4,217,803	Piano-action keyboard Term ended Term ended no later than Aug 19, 2000 · Low confidence	Term ended	Term ended no later than Aug 19, 2000	Low confidence
US 4,257,305	Pressure sensitive controller for electronic musical instruments Term ended Term ended no later than Mar 24, 2001 · Low confidence	Term ended	Term ended no later than Mar 24, 2001	Low confidence
US 4,273,017	Piano action keyboard with roller and elastic diaphragm transducer Term ended Term ended no later than Jun 16, 2001 · Low confidence	Term ended	Term ended no later than Jun 16, 2001	Low confidence