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For the Inventor, By the Inventor

Rockland, ME, United States of America

Marine Colloids, Inc.


USPTO Granted Patents = 3

Trademarks = 1

Forward Citations = 121

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3 inventors (with patents filed for the assignee):

goldMedal Donald Walter Renn (2 out of 15 patents)

silverMedal Calvin A Saravis (1 out of 2 patents)

bronzeMedal Kenneth B Guiseley (1 out of 4 patents)


3 patents:

1. 3975162 - Applying reagent to medium and device therefor (1976-08-17),
2. 3966897 - Medium for use in bioassay and method of using same (1976-06-29),
3. 3956273 - Modified agarose and agar and method of making same (1976-05-11),
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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#2 in Rockland, ME

#127 in Maine

#71,953 in US

...
Rockland, ME, United States of America

Marine Colloids, Inc.

Forward Citations = 121

3 inventors:

goldMedal Donald Walter Renn (2 out of 15 patents)

silverMedal Calvin A Saravis (1 out of 2 patents)

bronzeMedal Kenneth B Guiseley (1 out of 4 patents)

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