Charles City, IA, United States of America

Seven, Ltd.


USPTO Granted Patents = 3

% Expired Patents = 33.3


Trademarks = 6

Forward Citations = 35

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15 inventors (with patents filed for the assignee):

goldMedal Adriano Di Stasio (1 out of 1 patent)

silverMedal Aldo Di Stasio (1 out of 1 patent)

bronzeMedal Craig K Loebig (1 out of 5 patents)

4.  Robert L Neiss (1 out of 4 patents)

5.  Danny E Crawford (1 out of 3 patents)

6.  Gene A Hall (1 out of 1 patent)

7.  Danny L Nelson (1 out of 1 patent)

8.  Dennis P Rolph (1 out of 3 patents)

9.  Dennis A Jendro (1 out of 1 patent)

10.  Jack T Mowry (1 out of 1 patent)

11.  Gregory E Erlandson (1 out of 1 patent)

12.  Richard A Helms (1 out of 7 patents)

13.  Paul D Elst (1 out of 1 patent)

14.  Michael G Krol (1 out of 2 patents)

15.  Mark O Snyker (1 out of 1 patent)


3 patents:

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USPTO Data Jan 1 1976 - Sep 29 2026

3 Patents

#4 in Charles City, IA

#464 in Iowa

#73,766 in US

Charles City, IA (US)
Charles City, IA, United States of America
Forward Citations = 35

15 inventors:

Please report any incorrect information to [email protected]
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