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For the Inventor, By the Inventor

Seattle, WA, United States of America

Infometrix, Incorporated


USPTO Granted Patents = 2

Trademarks = 4

Forward Citations = 23

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2 inventors (with patents filed for the assignee):

goldMedal Elmond A Holmes (2 out of 4 patents)

silverMedal Gilson H Rohrback (2 out of 6 patents)


2 patents:

1. 5254461 - Method of and apparatus for determining microorganism populations (1993-10-19),
2. 5037274 - Peristaltic apparatus and method for pumping and/or metering fluids (1991-08-06),
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USPTO Data Jan 1 1976 - Jan 13 2026

2 Patents

#642 in Seattle, WA

#2,273 in Washington

#92,775 in US

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Seattle, WA, United States of America

Infometrix, Incorporated

Forward Citations = 23

2 inventors:

goldMedal Elmond A Holmes (2 out of 4 patents)

silverMedal Gilson H Rohrback (2 out of 6 patents)

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