Company Badge
USPTO Data Jan 1 1976 - Oct 6 2026
10 Patents
#1 in Ennis, TX
#1,879 in Texas
#29,839 in US
#55,986 in the World
Polyguard Products, Inc.
Forward Citations = 143
13 inventors:
Ennis, TX, United States of America
Polyguard Products, Inc.
% Expired Patents = 30.0
Trademarks = 16
Forward Citations = 143
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13 inventors (with patents filed for the assignee):
John W Muncaster (4 out of 4 patents)
Tony Joe Millican (2 out of 2 patents)
Robert M Nee (2 out of 2 patents)
4. Frank Wickert (1 out of 5 patents)
5. Ted Edward DeZurik (1 out of 6 patents)
6. Nathan E Young (1 out of 1 patent)
7. Steven H Williams (1 out of 1 patent)
8. Roy E Shaffer (1 out of 1 patent)
9. Brian M Shaffer (1 out of 1 patent)
10. Carlos Montoya (1 out of 1 patent)
11. Richard Norsworthy (1 out of 1 patent)
12. James L Copeland (1 out of 56 patents)
13. Michael B Obermeyer (1 out of 3 patents)
10 patents:
7. 7686903 - Stress-relieving barrier membrane for concrete slabs and foundation walls (2010-03-30),
Company Overview
Polyguard Products, Inc. is a specialized manufacturer based in Ennis, Texas, focusing on innovative building materials and protective coatings. The company is known for its expertise in developing advanced waterproofing and moisture control solutions, catering primarily to the construction and infrastructure sectors. Polyguard's commitment to research and development drives its continuous improvement in product performance and sustainability, making it a key player in enhancing the durability and longevity of structures across various geographic markets.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Polyguard Products, Inc.. Retrieved from https://idiyas.com/company/polyguard-products
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]
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]
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]