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For the Inventor, By the Inventor

Nanterre, France

Sipremec


USPTO Granted Patents = 1

Forward Citations = 5

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1 inventor (with patents filed for the assignee):

goldMedal Alfred A Valantin (1 out of 8 patents)


1 patent:

1. 4134620 - Channelling machine for cutting a preliminary groove around the working (1979-01-16),
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USPTO Data Jan 1 1976 - Dec 9 2025

1 Patents

#57 in Nanterre

#7,622 in France

...
Nanterre, France

Sipremec

Forward Citations = 5

1 inventor:

goldMedal Alfred A Valantin (1 out of 8 patents)

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