For the Inventor, By the Inventor

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Lincoln, RI, United States of America

Sab Nife Inc.

USPTO Granted Patents = 3

Forward Citations = 13

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5 inventors (with patents filed for the assignee):

Paul F Hettwer (2 out of 3 patents)

Viet Vu (2 out of 2 patents)

Serge Dufour (1 out of 1 patent)

4. Michel Roger (1 out of 1 patent)

5. Jan-Ola Harstrom (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 4775191 - Hydraulic brake system for rail vehicles (1988-10-04),

2. 4743185 - Corrosion resistant mercury-free zinc anode battery (1988-05-10),

3. 4649093 - Corrosion resistant mercury-free zinc anode battery (1987-03-10),

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#12 in Lincoln, RI

#309 in Rhode Island

#72,004 in US

Lincoln, RI, United States of America

Sab Nife Inc.

Forward Citations = 13

5 inventors:

Paul F Hettwer (2 out of 3 patents)

Viet Vu (2 out of 2 patents)

Serge Dufour (1 out of 1 patent)

4. Michel Roger (1 out of 1 patent)

5. Jan-Ola Harstrom (1 out of 1 patent)

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