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William L. Rowe received US Patent No. 2,487,593 on November 8, 1949, filed April 5, 1948.
The patent's description opens (from the scanned text):
The invention has for its principal object the provision of improved shingles of a character to provide maximum coverage with a minimum of material and to have self-aligning features.
- Author
- William L. Rowe
- Published by
- US Patent Office
- Series
- US Patent No. 2,487,593
- Date
- November 8, 1949
- Library no.
- ACL Doc 23618 · asbestosclaims.law/library/23618
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 4 pages · 320 KB
Where it was listed
- Asbestos, February 1950, in its patents department (the year's issues)
Cite this document
William L. Rowe. “Self Aligning Shingle (US Patent 2,487,593, 1949).” November 8, 1949. US Patent No. 2,487,593. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23618. https://asbestosclaims.law/library/23618.
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