U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

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Examiner: Witkowski, S. J.


Primary examiner statistics: 374 patents; average approval time: 723 days
Assistant examiner statistics: 0 patents; average approval time: N/A

Patents as Primary Examiner (view all)

Patent No. Patent Title:
4852443 Capacitive pressure-sensing method and apparatus
4852444 Electro-mechanical transducer which couples positive acoustic fee...
4841828 Electronic musical instrument with digital filter
4838139 Musical keyboard
4794837 Tone signal generator with code converter for converting stored ...
4785704 Musical instrument transducer
4781097 Electronic drum instrument
4781096 Musical tone generating apparatus
4776253 Control apparatus for electronic musical instrument
4774867 Musical instrument transducer
4768412 Low profile keyboard device and system for recording and scoring ...
4765219 Magnetic pick-up for stringed musical instrument
4765218 Electronic keyboard musical instrument with processing of depress...
4763554 Automatic rhythm performing apparatus for electronic musical inst...
4760767 Apparatus for detecting string stop position
4757736 Electronic musical instrument having rhythm-play function based o...
4754680 Overdubbing apparatus for electronic musical instrument
4748887 Electric musical string instruments and frets therefor
4742748 Electronic musical instrument adapted for sounding rhythm tones a...
4738179 Musical tone producing device of waveshape memory readout type
4736663 Electronic system for synthesizing and combining voices of musica...
4726277 Electrical stop control for musical instruments
4726276 Slur effect pitch control in an electronic musical instrument
4724736 Keyboard musical instruments with transpositional function
4723468 Electronic stringed instrument
4719833 Tone signal generation device with interpolation of sample points
4715257 Waveform generating device for electronic musical instruments
4713996 Automatic rhythm apparatus with tone level dependent timbres
4711149 Electric guitar pickup switching system
4709611 Electronic musical instrument for generating a natural musical to...
4706537 Tone signal generation device
4704931 Acoustic tone inhibiting means for keyboard musical instrument
4704932 Electronic musical instrument producing level-controlled rhythmic...
4704940 Computer keyboard adaptor
4703680 Truncate prioritization system for multi channel electronic music...
4703681 Key depression indicating device for electronic musical instrumen...
4702142 Fundamental frequency variation for a musical tone generator usin...
4700603 Formant filter generator for an electronic musical instrument
4699039 Automatic musical accompaniment playing system
4699037 Electronic musical instrument with glide function

Patents as Assistant Examiner

Patent No. Patent Title:
No patents.
 
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