EC

Emmett H. Chapman

📍 Los Angeles, CA: #759 of 12,377 inventorsTop 7%
🗺 California: #40,325 of 386,348 inventorsTop 15%
Overall (All Time): #325,419 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
8324489 “Railboard” fingerboard with integrated frets for stringed musical instruments 2012-12-04
7629521 Versatile neck truss system for stringed musical instruments 2009-12-08
6462259 Nut assembly for stringed musical instrument 2002-10-08
6452077 Disengagable string damper for a musical instrument Ned Steinberger 2002-09-17
6369306 Fret system in stringed musical instruments 2002-04-09
6084165 Retractable tail on a stringed instrument body 2000-07-04
6043422 Compartmentalized pickup module for stringed musical instruments 2000-03-28
5285710 Adjustable bridge for a stringed musical instrument 1994-02-15
5140887 Stringless fingerboard synthesizer controller 1992-08-25
5079536 Pressure transducer for musical instrument control 1992-01-07
4953435 Rear-access trussed neck construction for stringed musical instruments 1990-09-04
4922797 Layered voice musical self-accompaniment system 1990-05-08
4649785 Musical timbre modification method 1987-03-17
4633754 Fret rod for stringed musical instruments 1987-01-06
D275111 Electronic timbre controller for musical instruments 1984-08-14