For the Inventor, By the Inventor

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Calgary, Canada

Zerosound Systems Inc.

USPTO Granted Patents = 2

Forward Citations = 1

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5 inventors (with patents filed for the assignee):

Raymond Sobol (2 out of 2 patents)

Thomas Apperley (1 out of 4 patents)

Norm W Bogner (1 out of 1 patent)

4. Christian Parker (1 out of 1 patent)

5. Simon Schmitt (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 11151975 - Apparatus and method for sound wave generation (2021-10-19),

2. 10665219 - Apparatus and method for active noise reduction (2020-05-26),

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USPTO Data Jan 1 1976 - Sep 15 2026

2 Patents

#403 in Calgary

#5,997 in Canada

Calgary, Canada

Zerosound Systems Inc.

Forward Citations = 1

5 inventors:

Raymond Sobol (2 out of 2 patents)

Thomas Apperley (1 out of 4 patents)

Norm W Bogner (1 out of 1 patent)

4. Christian Parker (1 out of 1 patent)

5. Simon Schmitt (1 out of 1 patent)

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