For the Inventor, By the Inventor

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Vastra Frolunda, Sweden

Poseidon Diving Systems Ab

USPTO Granted Patents = 3

Forward Citations = 15

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4 inventors (with patents filed for the assignee):

William C Stone (3 out of 37 patents)

Nigel Jones (2 out of 4 patents)

Kurt Sjöblom (1 out of 1 patent)

4. Jorgen Sahibzada (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 8820135 - Auto calibration / validation of oxygen sensor in breathing apparatus (2014-09-02),

2. 8800344 - Oxygen control in breathing apparatus (2014-08-12),

3. 8770195 - Mouth piece for a breathing apparatus (2014-07-08),

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#6 in Vastra Frolunda

#1,562 in Sweden

Vastra Frolunda, Sweden

Poseidon Diving Systems Ab

Forward Citations = 15

4 inventors:

William C Stone (3 out of 37 patents)

Nigel Jones (2 out of 4 patents)

Kurt Sjöblom (1 out of 1 patent)

4. Jorgen Sahibzada (1 out of 1 patent)

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