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William M. Black received US Patent No. 1,775,085 on September 9, 1930, filed July 8, 1929. It was assigned to Johns Manville.
The patent's description opens (from the scanned text):
The invention is particularly adapted to the provision of a roof covering comprising rectangular shaped shingles applied square with the roof and in aside lapped relation.
- Author
- William M. Black
- Published by
- US Patent Office
- Series
- US Patent No. 1,775,085
- Date
- September 9, 1930
- Library no.
- ACL Doc 23573 · asbestosclaims.law/library/23573
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 5 pages · 455 KB
Where it was listed
- Asbestos, October 1930, in its patents department (the year's issues)
Cite this document
William M. Black. “Roof Covering (US Patent 1,775,085, 1930).” September 9, 1930. US Patent No. 1,775,085. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23573. https://asbestosclaims.law/library/23573.
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