For the Inventor, By the Inventor

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Avondale, PA, United States of America

Edgecraft Co.

USPTO Granted Patents = 1

Forward Citations = 24

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1 inventor (with patents filed for the assignee):

Daniel D Friel, Sr (1 out of 75 patents)

1 patent: Sort by Forward Citations

1. D388304 - Versatile manual sharpener (1997-12-30),

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USPTO Data Jan 1 1976 - Dec 30 2025

1 Patents

#12 in Avondale, PA

#4,870 in Pennsylvania

#133,892 in US

Avondale, PA, United States of America

Edgecraft Co.

Forward Citations = 24

1 inventor:

Daniel D Friel, Sr (1 out of 75 patents)

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