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Richard V. Mattison received US Patent No. 1,549,723 on August 11, 1925, filed June 15, 1923.
The patent's description opens (from the scanned text):
My invention relates generally to roofing shingles, and more specifically to a special class of shingles designed for the construction of roof gutters such as formed at the intersection of two opposed gable slopes.
- Author
- Richard V. Mattison
- Published by
- US Patent Office
- Series
- US Patent No. 1,549,723
- Date
- August 11, 1925
- Library no.
- ACL Doc 23592 · asbestosclaims.law/library/23592
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 3 pages · 184 KB
Where it was listed
- Asbestos, October 1925, in its patents department (the year's issues)
Cite this document
Richard V. Mattison. “Roofing Shingle (US Patent 1,549,723, 1925).” August 11, 1925. US Patent No. 1,549,723. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23592. https://asbestosclaims.law/library/23592.
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