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Bertil John Martin Schmidt and Karl Gustav Olsson received US Patent No. 2,905,566 on September 22, 1959, filed April 4, 1956.
The patent's description opens (from the scanned text):
This invention relates to a plaster and spackle composition for building purposes.
- Author
- Bertil John Martin Schmidt; Karl Gustav Olsson
- Published by
- US Patent Office
- Series
- US Patent No. 2,905,566
- Date
- September 22, 1959
- Library no.
- ACL Doc 23361 · asbestosclaims.law/library/23361
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 3 pages · 434 KB
Where it was listed
- Asbestos, January 1960, in its patents department (the year's issues)
Cite this document
Bertil John Martin Schmidt, Karl Gustav Olsson. “Plaster composition (US Patent 2,905,566, 1959).” September 22, 1959. US Patent No. 2,905,566. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23361. https://asbestosclaims.law/library/23361.
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