CIPO Patents = 1

EPO Patents = 1

Forward Citations = 56

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2 inventors (with patents filed for the assignee):

John D Porter (4 out of 37 patents)

Allen Estes (1 out of 2 patents)

4 patents: Sort by Forward Citations

1. 10065775 - Dispensing cap for a container (2018-09-04),

2. 8613372 - Dispensing cap for a container (2013-12-24),

3. 8453834 - Apparatus for internal mixture of substances (2013-06-04),

4. 8453833 - Apparatus for internal mixture of substances (2013-06-04),

Granite State Product Development LLC is a leading product development company specializing in design, engineering, and manufacturing services. With a focus on innovation and quality, we help businesses bring their ideas to life and turn them into successful products. Our team of experts offers a full range of services to support clients throughout the product development process, from concept to production.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Jan 13 2026

4 Patents

#96 in Dover, DE

#811 in Delaware

#59,122 in US

Dover, DE, United States of America

Granite State Product Development LLC

Forward Citations = 56

2 inventors:

John D Porter (4 out of 37 patents)

Allen Estes (1 out of 2 patents)

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1 patent (CIPO):

Please report any incorrect information to support@idiyas.com

1 patent (EPO):

Please report any incorrect information to support@idiyas.com