For the Inventor, By the Inventor

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Pleasanton, CA, United States of America

Rotoflex, Inc.

USPTO Granted Patents = 2

Forward Citations = 21

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4 inventors (with patents filed for the assignee):

Arnold Kholodenko (2 out of 59 patents)

Brian Simmons (2 out of 2 patents)

Michael S Rivkin (1 out of 1 patent)

4. Leonid G Zeltser (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 5356158 - Resilient rotary seal with projecting edge (1994-10-18),

2. 5292137 - Rotary shaft sealing method and device (1994-03-08),

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USPTO Data Jan 1 1976 - Jan 13 2026

2 Patents

#156 in Pleasanton, CA

#20,573 in California

#92,748 in US

Pleasanton, CA, United States of America

Rotoflex, Inc.

Forward Citations = 21

4 inventors:

Arnold Kholodenko (2 out of 59 patents)

Brian Simmons (2 out of 2 patents)

Michael S Rivkin (1 out of 1 patent)

4. Leonid G Zeltser (1 out of 1 patent)

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