|
| US4462295 | 20 Aug 1982 | 31 Jul 1984 | | Beam and cylinder sound instrument |
| US4911054 | 16 May 1989 | 27 Mar 1990 | | Noise-cancelling pickup for stringed instruments |
| US5136919 | 18 Jan 1990 | 11 Aug 1992 | Gibson Guitar Corp. | Guitar pickup and switching apparatus |
| US5311806 | 15 Jan 1993 | 17 May 1994 | Gibson Guitar Corp. | Guitar pickup system for selecting from multiple tonalities |
| US6271457 | 19 May 2000 | 7 Aug 2001 | Kaman Music Corporation | Piezoelectric bridge-type pickup for a stringed musical instrument |
| US6392137 | 27 Apr 2000 | 21 May 2002 | Gibson Guitar Corp. | Polyphonic guitar pickup for sensing string vibrations in two mutually perpendicular planes |
| US6888057 | 8 Sep 2003 | 3 May 2005 | Gibson Guitar Corp. | Digital guitar processing circuit |
| US7166794 | 8 Sep 2003 | 23 Jan 2007 | Gibson Guitar Corp. | Hexaphonic pickup for digital guitar system |
| US7220912 | 8 Sep 2003 | 22 May 2007 | Gibson Guitar Corp. | Digital guitar system |
| US7220913 | 8 Sep 2003 | 22 May 2007 | Gibson Guitar Corp. | Breakout box for digital guitar |
| US7285714 | 9 Sep 2005 | 23 Oct 2007 | Gibson Guitar Corp. | Pickup for digital guitar |
| US7399918 | 11 Oct 2006 | 15 Jul 2008 | Gibson Guitar Corp. | Digital guitar system |
| US7952014 | 30 Jun 2008 | 31 May 2011 | Gibson Guitar Corp. | Digital guitar system |