For the Inventor, By the Inventor

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Florence, KY, United States of America

Duro Bag Manufacturing Company

USPTO Granted Patents = 2

Trademarks = 3

Forward Citations = 12

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4 inventors (with patents filed for the assignee):

Noe Yañez Castro (1 out of 1 patent)

Guadalupe Acevedo (1 out of 1 patent)

Cipriano Hinojosa (1 out of 1 patent)

4. Katherine C Hlubik (1 out of 2 patents)

2 patents: Sort by Forward Citations

1. 8764618 - Clampless bar mechanism for a paper bag bottoming mechanism (2014-07-01),

2. 5458556 - Bag with reinforced integral handle portions (1995-10-17),

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USPTO Data Jan 1 1976 - Dec 9 2025

2 Patents

#21 in Florence, KY

#536 in Kentucky

#92,599 in US

Florence, KY, United States of America

Duro Bag Manufacturing Company

Forward Citations = 12

4 inventors:

Noe Yañez Castro (1 out of 1 patent)

Guadalupe Acevedo (1 out of 1 patent)

Cipriano Hinojosa (1 out of 1 patent)

4. Katherine C Hlubik (1 out of 2 patents)

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