Charles D Black (4 out of 19 patents)
Wesley F Black (2 out of 11 patents)
Company Badge
USPTO Data Jan 1 1976 - Oct 20 2026
4 Patents
#1 in Williston, MD
#896 in Maryland
#60,671 in US
Stringliner Company
Forward Citations = 246
2 inventors:
Williston, MD, United States of America
Stringliner Company
Calculating rank
Forward Citations = 246
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2 inventors (with patents filed for the assignee):
4 patents:
Company Overview
Stringliner Company is a leading manufacturer of construction and marking tools, specializing in high-quality, durable string lines. With a wide range of products including chalk lines, masonry twine, and replacement reels, Stringliner is trusted by professionals for accurate and reliable marking on job sites across the globe.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Stringliner Company. Retrieved from https://idiyas.com/company/stringliner-company
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]