|
| US4206677 | 17 Jul 1978 | 10 Jun 1980 | Teledyne Industries, Inc. | Pedal actuator for electronic player piano |
| US6194643 | 2 Sep 1999 | 27 Feb 2001 | | Key actuation systems for keyboard instruments |
| US6444885 | 21 Dec 2000 | 3 Sep 2002 | | Key actuation systems for keyboard instruments |
| US6781046 | 30 Jan 2001 | 24 Aug 2004 | | Key actuation systems for keyboard instruments |
| US6888052 | 24 May 2002 | 3 May 2005 | | Key actuation systems for keyboard instruments |
| US7439426 | 15 Feb 2006 | 21 Oct 2008 | | Actuation system for keyboard pedal lyre |
