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For the Inventor, By the Inventor

Watertown, SD, United States of America

Pcps Limited Partnership


USPTO Granted Patents = 2

Forward Citations = 5

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3 inventors (with patents filed for the assignee):

goldMedal Edward L Schwarz (2 out of 32 patents)

silverMedal Terrence P Duggins (2 out of 2 patents)

bronzeMedal Robert L Hughes (2 out of 2 patents)


2 patents:

1. 6925916 - Two stage punch press actuator with output drive shaft position sensing (2005-08-09),
2. 6418824 - Two stage punch press actuator with output drive shaft position sensing (2002-07-16),
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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#7 in Watertown, SD

#144 in South Dakota

#92,651 in US

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Watertown, SD, United States of America

Pcps Limited Partnership

Forward Citations = 5

3 inventors:

goldMedal Edward L Schwarz (2 out of 32 patents)

silverMedal Terrence P Duggins (2 out of 2 patents)

bronzeMedal Robert L Hughes (2 out of 2 patents)

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