For the Inventor, By the Inventor

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San Diego, CA, United States of America

Britannia Investment Corporation

USPTO Granted Patents = 15

CIPO Patents = 3

Trademarks = 23

Forward Citations = 344

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28 inventors (with patents filed for the assignee):

Matthew S Polk, Jr (6 out of 22 patents)

Bradley M Starobin (5 out of 45 patents)

John B Poling (4 out of 6 patents)

4. Robert E Limbaugh (4 out of 4 patents)

5. John D Crisco (4 out of 6 patents)

6. Marco Cattaneo (3 out of 17 patents)

7. Keith A Ballard (3 out of 3 patents)

8. Dave A Fitzpatrick (3 out of 3 patents)

9. David Allen Fitzpatrick (2 out of 2 patents)

10. Allen S Baran (2 out of 2 patents)

11. Arnie Nudell (2 out of 2 patents)

12. William Rupert (2 out of 2 patents)

13. Mark Waker (2 out of 2 patents)

14. Scott Donald Orth (1 out of 1 patent)

15. Steven Saint John Tourison (1 out of 1 patent)

15 patents: Sort by Forward Citations

1. 7540460 - Mounting assembly (2009-06-02),

2. 7231053 - Enhanced multi-channel audio surround sound from front located loudspeakers (2007-06-12),

3. D538767 - Audio system (2007-03-20),

4. 7162049 - Ported loudspeaker system and method with reduced air turbulence, bipolar radiation pattern and novel appearance (2007-01-09),

5. 7043034 - Loudspeaker with single or dual channel input selector and lockout (2006-05-09),

6. 7039212 - Weather resistant porting (2006-05-02),

7. 6937737 - Multi-channel audio surround sound from front located loudspeakers (2005-08-30),

8. 6721434 - Loudspeaker mounting system (2004-04-13),

9. D463407 - Speaker (2002-09-25),

10. D448360 - Portion of a speaker (2001-09-26),

11. D440559 - Portion of a speaker (2001-04-18),

12. 5809154 - Ported loudspeaker system and method (1998-09-15),

13. 5730409 - Audio speaker with integral bracket (1998-03-24),

14. D387058 - Loudspeaker (1997-12-02),

15. D384353 - Loudspeaker (1997-09-30),

Britannia Investment Corporation is a leading investment firm specializing in real estate and private equity investments. With a track record of successful projects and a commitment to excellence, we strive to provide innovative and profitable investment opportunities for our clients. Our team of experienced professionals ensures that every project is meticulously planned and executed to maximize returns for our investors.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

15 Patents

#352 in San Diego, CA

#4,865 in California

#20,400 in US

#38,669 in the World

San Diego, CA, United States of America

Britannia Investment Corporation

Forward Citations = 344

28 inventors:

Matthew S Polk, Jr (6 out of 22 patents)

Bradley M Starobin (5 out of 45 patents)

John B Poling (4 out of 6 patents)

4. Robert E Limbaugh (4 out of 4 patents)

5. John D Crisco (4 out of 6 patents)

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