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Jr Alanson M. Gray and John S. Parkinson received US Patent No. 2,216,814 on October 8, 1940, filed April 7, 1938. It was assigned to Johns Manville.
The patent's description opens (from the scanned text):
The present invention is particularly concerned with, and has for its principal object, the provision of an improved'vibratlon isolating device of 45 simple construction which will exhibit all of the above-stated functions.
- Author
- Jr Alanson M. Gray; John S. Parkinson
- Published by
- US Patent Office
- Series
- US Patent No. 2,216,814
- Date
- October 8, 1940
- Library no.
- ACL Doc 23813 · asbestosclaims.law/library/23813
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 5 pages · 737 KB
Where it was listed
- Asbestos, November 1940, in its patents department (the year's issues)
Cite this document
Jr Alanson M. Gray, John S. Parkinson. “Vibration Isolator (US Patent 2,216,814, 1940).” October 8, 1940. US Patent No. 2,216,814. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23813. https://asbestosclaims.law/library/23813.
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