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Oscar A. Bigler received US Patent No. 1,501,512 on July 15, 1924, filed March 29, 1922.
The patent's description opens (from the scanned text):
My invention relates to building materlal and is especially adapted for strip shingles for roofing purposes or sheathing for sides of buildings.
- Author
- Oscar A. Bigler
- Published by
- US Patent Office
- Series
- US Patent No. 1,501,512
- Date
- July 15, 1924
- Library no.
- ACL Doc 21975 · asbestosclaims.law/library/21975
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 3 pages · 268 KB
Where it was listed
- Asbestos, September 1924, in its patents department (the year's issues)
Cite this document
Oscar A. Bigler. “Building Material (US Patent 1,501,512, 1924).” July 15, 1924. US Patent No. 1,501,512. US Patent Office. AsbestosClaims.Law Library, ACL Doc 21975. https://asbestosclaims.law/library/21975.
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