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For the Inventor, By the Inventor

Chicago, IL, United States of America

Triangle Package Machinery


USPTO Granted Patents = 3

Forward Citations = 81

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6 inventors (with patents filed for the assignee):

goldMedal King L Klopfenstein (2 out of 10 patents)

silverMedal David B Hutter (1 out of 2 patents)

bronzeMedal Larry N Pearce (1 out of 6 patents)

4.  Robert L Muskat (1 out of 1 patent)

5.  Robert H Connors (1 out of 6 patents)

6.  Steve P Bergholt (1 out of 1 patent)


3 patents:

1. 5715656 - Form, fill and seal machine (1998-02-10),
2. 4901807 - Combination weigher with multiple compartment weighing receptacles (1990-02-20),
3. 4850443 - Weighing scale (1989-07-25),
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USPTO Data Jan 1 1976 - Sep 15 2026

3 Patents

#802 in Chicago, IL

#3,442 in Illinois

#73,706 in US

Chicago, IL (US)
Chicago, IL, United States of America

Triangle Package Machinery

Forward Citations = 81

6 inventors:

goldMedal King L Klopfenstein (2 out of 10 patents)

silverMedal David B Hutter (1 out of 2 patents)

bronzeMedal Larry N Pearce (1 out of 6 patents)

4.  Robert L Muskat (1 out of 1 patent)

5.  Robert H Connors (1 out of 6 patents)

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