For the Inventor, By the Inventor

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Belfast, undefined

Strathearn Audio Limited

USPTO Granted Patents = 12

Forward Citations = 95

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15 inventors (with patents filed for the assignee):

Keith Douglas Ridler (6 out of 7 patents)

Colin Howard Stanwell-Smith (6 out of 6 patents)

Dexter R Plummer (4 out of 9 patents)

4. Alexander Bennett Gosling (3 out of 4 patents)

5. Frederick James Easthope (3 out of 3 patents)

6. Gordon Malcolm Edge (2 out of 2 patents)

7. Roderick F Jones (2 out of 2 patents)

8. Graham W McLean (1 out of 13 patents)

9. Gerald Avison (1 out of 1 patent)

10. Donald George Buchanan (1 out of 4 patents)

11. Jonathan Humfrey Pope (1 out of 1 patent)

12. John Alfred Aldous (1 out of 1 patent)

13. Gordon Malcom Edge (1 out of 1 patent)

14. Robert Charles Whelan (1 out of 1 patent)

15. David Holt (1 out of 1 patent)

12 patents: Sort by Forward Citations

1. 4114060 - Electric motor (1978-09-12),

2. 4105961 - Phonograph pick-up arm control arrangement (1978-08-08),

3. 4088902 - Channel coupling (1978-05-09),

4. 4065188 - Linear bearing for parallel tracking arm (1977-12-27),

5. 4059030 - Mechanical gearing (1977-11-22),

6. 4046386 - Control device (1977-09-06),

7. 4032158 - Method and apparatus for indicating angular displacement (1977-06-28),

8. 4026611 - Bearing arrangement (1977-05-31),

9. 4024473 - Stroboscopic device (1977-05-17),

10. 4023130 - Pivoted arm control arrangements (1977-05-10),

11. 3992018 - Method and apparatus for use in cleaning a gramophone disc (1976-11-16),

12. 3966330 - Phonograph record detecting arrangement (1976-06-29),

Strathearn Audio Limited is a leading provider of high-quality audio equipment and accessories. With a focus on innovation and customer satisfaction, we offer a wide range of products including speakers, amplifiers, and headphones. Our team of experts is dedicated to delivering exceptional sound experiences to our customers around the world.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

12 Patents

#1 in Belfast

#31 in EK

#46,735 in the World

Belfast, undefined

Strathearn Audio Limited

Forward Citations = 95

15 inventors:

Keith Douglas Ridler (6 out of 7 patents)

Colin Howard Stanwell-Smith (6 out of 6 patents)

Dexter R Plummer (4 out of 9 patents)

4. Alexander Bennett Gosling (3 out of 4 patents)

5. Frederick James Easthope (3 out of 3 patents)

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