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For the Inventor, By the Inventor

South El Monte, CA, United States of America

Robbins & Craig Welding & Manufacturing Co.


USPTO Granted Patents = 2

Forward Citations = 12

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1 inventor (with patents filed for the assignee):

goldMedal Donald P Aupperle (2 out of 20 patents)


2 patents:

1. 4787806 - Loading and unloading system for piece part carrier (1988-11-29),
2. 4659281 - Loading and unloading system for piece part carrier (1987-04-21),
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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#21 in South El Monte, CA

#20,553 in California

#92,630 in US

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South El Monte, CA, United States of America

Robbins & Craig Welding & Manufacturing Co.

Forward Citations = 12

1 inventor:

goldMedal Donald P Aupperle (2 out of 20 patents)

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