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Raymond F. Schlaanstine received US Patent No. 2,346,947 on April 18, 1944, filed March 25, 1941. It was assigned to Hercules Powder Co.
The patent's description opens (from the scanned text):
This invention relates to asphaltic com ositions and more particularly to asphaltic compositions which are essentially free from volatile components and which are adapted to he applied in the hot molten state.
- Author
- Raymond F. Schlaanstine
- Published by
- US Patent Office
- Series
- US Patent No. 2,346,947
- Date
- April 18, 1944
- Library no.
- ACL Doc 23082 · asbestosclaims.law/library/23082
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 3 pages · 370 KB
Where it was listed
- Asbestos, July 1944, in its patents department (the year's issues)
Cite this document
Raymond F. Schlaanstine. “Method of Saturating Felted Fibrous Material (US Patent 2,346,947, 1944).” April 18, 1944. US Patent No. 2,346,947. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23082. https://asbestosclaims.law/library/23082.
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