We have the following patents:
- July 17 1979: Body for Bass Guitar U.S. Utility Pat.# 4,161,130. This patent featured on the Rockin Patents Blog.
- Dec 30 1980: Adjustable Bridge Japanese Utility Pat.# 55-189372
- Dec 30 1980: String Nut Japanese Utility Pat.# 55-189371
- Feb 3 1981: Adjustable Bridge U.S. Utility Pat.# 4,248,126
- Feb 3 1981: String Nut U.S. Utility Pat.# 4,248,127
- Feb 2 1982: Guitar Construction U.S. Utility Pat.# 4,313,362
- Aug 31 1982: Spellbinder Bass Ornamental Design Pat.# 266,003
- Jul 26 1988: Musical Instrument Neck U.S. Utility Pat.# 4,759,250
- Sep 26 1989: Pickup Assembly for Stringed musical Instr. U.S. Utility Pat.# 4,869,144
- Aug 21 1990 Molding Process for Musical Instr. Neck U.S. Utility Pat.# 4,950,437