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John H. Brown received US Patent No. 1,808,204 on June 2, 1931, filed March 7, 1929. It was assigned to Keasbey and Mattison Co.
The patent's description opens (from the scanned text):
This invention relates to conduits useful for example with automobile heating appliances to conduct heated air from the exhaust manifolds of the engines to radiators 5 or registers within the bodies of the vehicles.
- Author
- John H. Brown
- Published by
- US Patent Office
- Series
- US Patent No. 1,808,204
- Date
- June 2, 1931
- Library no.
- ACL Doc 22338 · asbestosclaims.law/library/22338
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 2 pages · 136 KB
Where it was listed
- Asbestos, September 1931, in its patents department (the year's issues)
Cite this document
John H. Brown. “Flexible Conduit (US Patent 1,808,204, 1931).” June 2, 1931. US Patent No. 1,808,204. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22338. https://asbestosclaims.law/library/22338.
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