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James H. Graham received US Patent No. 1,637,522 on August 2, 1927, filed October 22, 1926.
The patent's description opens (from the scanned text):
This invention relates to shingle covering and consists 1n a novel assemblage of rectangular shingles and spacers, in which each -shingle and each spacer is prepared for at- 5 tachment by accurately spaced perforations for two types of fastening, one represented by roof nails which attach the shingle covering to the roof or siding of a building, the other by storm nails each having heads to y rest upon one of the covering elements and a shank to pass upward through a perforation in an overlying shingle and adapted to ...
- Author
- James H. Graham
- Published by
- US Patent Office
- Series
- US Patent No. 1,637,522
- Date
- August 2, 1927
- Library no.
- ACL Doc 23645 · asbestosclaims.law/library/23645
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 5 pages · 484 KB
Where it was listed
- Asbestos, November 1927, in its patents department (the year's issues)
Cite this document
James H. Graham. “Shingle Covering (US Patent 1,637,522, 1927).” August 2, 1927. US Patent No. 1,637,522. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23645. https://asbestosclaims.law/library/23645.
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