For the Inventor, By the Inventor

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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):

King L Klopfenstein (2 out of 10 patents)

David B Hutter (1 out of 2 patents)

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: Sort by Forward Citations

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 - Dec 30 2025

3 Patents

#772 in Chicago, IL

#3,363 in Illinois

#72,042 in US

Chicago, IL, United States of America

Triangle Package Machinery

Forward Citations = 81

6 inventors:

King L Klopfenstein (2 out of 10 patents)

David B Hutter (1 out of 2 patents)

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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