For the Inventor, By the Inventor

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Plainview, NY, United States of America

Pickering & Company, Inc.

USPTO Granted Patents = 17

Trademarks = 2

Forward Citations = 101

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11 inventors (with patents filed for the assignee):

Alan Hofer (5 out of 15 patents)

Roland C Wittenberg (4 out of 4 patents)

Frank J Frielingsdorf (4 out of 6 patents)

4. Jacob Chass (4 out of 4 patents)

5. George Alexandrovich, Sr (3 out of 9 patents)

6. John Kuykendall (2 out of 2 patents)

7. Paul Vitale (1 out of 1 patent)

8. Neil F Albert (1 out of 1 patent)

9. Frank Yama (1 out of 1 patent)

10. Frank M Yama (1 out of 2 patents)

11. J Raymond Edinger (1 out of 1 patent)

17 patents: Sort by Forward Citations

1. 4509159 - Aluminum-aluminum oxide stylus arm (1985-04-02),

2. D278147 - Phonograph cartridge (1985-03-26),

3. 4445103 - Rotary differential transformer with constant amplitude and variable (1984-04-24),

4. 4437019 - Linear differential transformer with constant amplitude and variable (1984-03-13),

5. 4409588 - Miniature sounder with multi-part tuned cavities (1983-10-11),

6. D266244 - Collapsible headset (1982-09-21),

7. 4347491 - Rotary variable differential transformer with substantially linear output (1982-08-31),

8. 4345230 - Multiple rotary variable differential transformer on common shaft with (1982-08-17),

9. 4251807 - Miniature buzzer (1981-02-17),

10. 4166625 - Automatic stop for turntable tone arm (1979-09-04),

11. 4153257 - Record stamper playback turntable (1979-05-08),

12. 4140321 - Phonograph cartridge replaceable stylus assembly (1979-02-20),

13. 4129305 - Phonograph turntable electro-thermal cueing control (1978-12-12),

14. 4113267 - Double stylus assembly for phonograph record stamper playback (1978-09-12),

15. 4113266 - Playback stylus for phonograph record stamper (1978-09-12),

Pickering & Company, Inc. is a leading consulting firm specializing in market research and strategic planning. With over 20 years of experience, we help businesses make informed decisions and drive growth through data-driven insights. Our services include market analysis, competitor research, and customer segmentation. Contact us today to learn how we can help your organization succeed.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 16 2025

17 Patents

#5 in Plainview, NY

#1,013 in New York

#18,305 in US

#34,832 in the World

Plainview, NY, United States of America

Pickering & Company, Inc.

Forward Citations = 101

11 inventors:

Alan Hofer (5 out of 15 patents)

Roland C Wittenberg (4 out of 4 patents)

Frank J Frielingsdorf (4 out of 6 patents)

4. Jacob Chass (4 out of 4 patents)

5. George Alexandrovich, Sr (3 out of 9 patents)

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