DS

David T. Starkey

GU Gulbransen: 6 patents #1 of 3Top 35%
NI Norlin Industries: 4 patents #6 of 34Top 20%
GC Group Cbs: 1 patents #25 of 83Top 35%
NS National Semiconductor: 1 patents #1,247 of 2,238Top 60%
Overall (All Time): #295,941 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D841728 Circular piano Brockett Parsons, Charles E. Johnson 2019-02-26
8159683 Reflective piano keyboard scanner 2012-04-17
8013234 Reflective piano keyboard scanner 2011-09-06
7843575 Reflective piano keyboard scanner 2010-11-30
6178245 Audio signal generator to emulate three-dimensional audio signals Anthony Martin Sarain 2001-01-23
5231283 Opto-electronic sensing method and device for an acoustic piano Anthony G. Williams 1993-07-27
5196639 Method and apparatus for producing an electronic representation of a musical sound using coerced harmonics J. Robert Lee 1993-03-23
5001339 Opto-electronic sensing method and device for an acoustic piano Anthony G. Williams 1991-03-19
4969385 Reassignment of digital oscillators according to amplitude Anthony G. Williams 1990-11-13
4953437 Method and apparatus for digitally generating musical notes 1990-09-04
4941387 Method and apparatus for intelligent chord accompaniment Anthony G. Williams 1990-07-17
4602545 Digital signal generator for musical notes 1986-07-29
4475427 Frequency independent ramp generator 1984-10-09
4375176 Keyboard latch for electronic organ 1983-03-01
4322996 Alternating repeat keying signal generator William Wangard, III 1982-04-06
4208939 Data encoder for an electronic musical instrument William Wangard, III 1980-06-24