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Clinton B. Burnett, William T. Donahue and Fred T. Randolph received US Patent No. 2,401,906 on June 11, 1946, filed August 27, 1942. It was assigned to Johns Manville.
The patent's description opens (from the scanned text):
The present invention relates to acoustical constructions, and, more particularly, to improved sound-absorbing units for use in a sound-absorbing treatment of generally conventional type.
- Author
- Clinton B. Burnett; William T. Donahue; Fred T. Randolph
- Published by
- US Patent Office
- Series
- US Patent No. 2,401,906
- Date
- June 11, 1946
- Library no.
- ACL Doc 23685 · asbestosclaims.law/library/23685
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 3 pages · 278 KB
Where it was listed
- Asbestos, July 1946, in its patents department (the year's issues)
Cite this document
Clinton B. Burnett, William T. Donahue, Fred T. Randolph. “Sound Absorbing Treatment (US Patent 2,401,906, 1946).” June 11, 1946. US Patent No. 2,401,906. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23685. https://asbestosclaims.law/library/23685.
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