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Petro Dubecky received US Patent No. 2,879,555 on March 31, 1959, filed December 7, 1956. It was assigned to Johns Manville.
The patent's description opens (from the scanned text):
This invention relates to siding or covering units, such as shingles and like covering elements, and, more particularly to an improved siding or covering unit composed of a shingle and a backer board fastened together so that the assembly can be advantageously handled as a single unit.
- Author
- Petro Dubecky
- Published by
- US Patent Office
- Series
- US Patent No. 2,879,555
- Date
- March 31, 1959
- Library no.
- ACL Doc 22256 · asbestosclaims.law/library/22256
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 6 pages · 650 KB
Where it was listed
- Asbestos, September 1959, in its patents department (the year's issues)
Cite this document
Petro Dubecky. “Fabricating asbestos shingle siding unit (US Patent 2,879,555, 1959).” March 31, 1959. US Patent No. 2,879,555. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22256. https://asbestosclaims.law/library/22256.
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