John D Porter (4 out of 37 patents)
Allen Estes (1 out of 2 patents)
Company Badge
USPTO Data Jan 1 1976 - Oct 27 2026
4 Patents
#111 in Dover, DE
#860 in Delaware
#60,704 in US
Granite State Product Development LLC
Forward Citations = 65
2 inventors:
Dover, DE, United States of America
Granite State Product Development LLC
Calculating rank
CIPO Patents = 1
EPO Patents = 1
Forward Citations = 65
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2 inventors (with patents filed for the assignee):
4 patents:
Company Overview
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.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Granite State Product Development LLC. Retrieved from https://idiyas.com/company/granite-state-product-development
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
1 patent (CIPO):
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
1 patent (EPO):
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]