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For the Inventor, By the Inventor

Glasgow, DE, United States of America

Graver Chemical


USPTO Granted Patents = 2

Forward Citations = 5

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2 inventors (with patents filed for the assignee):

goldMedal Bruce L Libutti (2 out of 13 patents)

silverMedal Joseph M Ragosta (2 out of 3 patents)


2 patents:

1. 5611929 - Adsorbent filter bed with pliant and stiff members and method for (1997-03-18),
2. 5585171 - Adsorbent filter bed with pliant and stiff members (1996-12-17),
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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#3 in Glasgow, DE

#1,268 in Delaware

#92,638 in US

...
Glasgow, DE, United States of America

Graver Chemical

Forward Citations = 5

2 inventors:

goldMedal Bruce L Libutti (2 out of 13 patents)

silverMedal Joseph M Ragosta (2 out of 3 patents)

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