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For the Inventor, By the Inventor

Chicago, IL, United States of America

The Wurlitzer Company


USPTO Granted Patents = 50

Forward Citations = 407

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25 inventors (with patents filed for the assignee):

goldMedal William R Hoskinson (18 out of 18 patents)

silverMedal William V Machanian (10 out of 10 patents)

bronzeMedal Peter E Solender (9 out of 13 patents)

4.  Anthony C Ippolito (9 out of 9 patents)

5.  Harold O Schwartz (6 out of 7 patents)

6.  Robert W Wheelwright (6 out of 6 patents)

7.  Robert S Hill (5 out of 5 patents)

8.  George S Klaiber (5 out of 5 patents)

9.  Joseph C Carley (4 out of 4 patents)

10.  Stanley A Grajek (4 out of 4 patents)

11.  Alvin S Topolski (3 out of 3 patents)

12.  Dennis E Kidd (3 out of 3 patents)

13.  Howard M Thomas (2 out of 4 patents)

14.  Richard A Borowiec (2 out of 4 patents)

15.  Edward K Miguel (1 out of 4 patents)


Core Competencies:
Musical Tones
Electronic Vibrato
Velocity Sensitive Keyer
Programmable Tone Generator
Non-Volatile Memory
Digital Organ System
Envelope Control
Chord Control Circuit
Waveform Synthesis
Integrated Circuit Chip
Rhythm Patterns
Phonograph Selector

50 patents:

1. 4470333 - Generation of musical tones from multiplexed serial data (1984-09-11),
2. 4428270 - Electronic vibrato or celeste (1984-01-31),
3. 4417496 - Velocity sensitive keyer control circuit for an electronic musical (1983-11-29),
4. 4393740 - Programmable tone generator (1983-07-19),
5. 4391177 - Piano soundboard and method of making same (1983-07-05),
6. 4388851 - Non-volatile memory system for an electronic musical instrument (1983-06-21),
7. 4375179 - Action for electronic piano (1983-03-01),
8. 4361754 - Record operated control system for a vending machine (1982-11-30),
9. 4361458 - Piano soundboard and method of making same (1982-11-30),
10. 4342247 - Production of detuning effects in an electronic musical instrument (1982-08-03),
11. 4331057 - Automatic chord control circuit for electronic musical instruments (1982-05-25),
12. 4319509 - Sequence generator for an electronic musical instrument (1982-03-16),
13. 4319508 - Modular, expandable digital organ system (1982-03-16),
14. 4299153 - Touch responsive envelope control for electronic musical instrument (1981-11-10),
15. 4282575 - Control system for vending machine (1981-08-04),
The Wurlitzer Company is a renowned manufacturer of musical instruments, especially pianos and jukeboxes. With a rich history dating back to 1856, the company has consistently delivered high-quality instruments that have become cherished by musicians and collectors alike. The Wurlitzer pianos are known for their exceptional craftsmanship and beautiful sound, while their jukeboxes have become iconic symbols of vintage Americana. Visit our website to explore our wide range of instruments and learn more about our legacy in the world of music.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 16 2025

50 Patents

#97 in Chicago, IL

#382 in Illinois

#6,767 in US

#13,583 in the World

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Chicago, IL, United States of America

The Wurlitzer Company

Forward Citations = 407

25 inventors:

goldMedal William R Hoskinson (18 out of 18 patents)

silverMedal William V Machanian (10 out of 10 patents)

bronzeMedal Peter E Solender (9 out of 13 patents)

4.  Anthony C Ippolito (9 out of 9 patents)

5.  Harold O Schwartz (6 out of 7 patents)

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