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Thomas B. Lehon received US Patent No. 1,976,948 on October 16, 1934, filed September 29, 1930.
The patent's description opens (from the scanned text):
This invention relates to prepared roofing. may be expected from the coatings which the The objects of the present invention are to profelt may be made to support. duce a roofing which has materially increased I am aware of various processes which have life over roofings which are now common, and attempted to indent or deform the sheet after to use therein no greater weight of felt; to proit has been impregnated with a weatherproofing 6o duce roofings which have a life equalling that compound and before the wearing surface ...
- Author
- Thomas B. Lehon
- Published by
- US Patent Office
- Series
- US Patent No. 1,976,948
- Date
- October 16, 1934
- Library no.
- ACL Doc 23402 · asbestosclaims.law/library/23402
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 3 pages · 318 KB
Where it was listed
- Asbestos, November 1934, in its patents department (the year's issues)
Cite this document
Thomas B. Lehon. “Prepared Roofing (US Patent 1,976,948, 1934).” October 16, 1934. US Patent No. 1,976,948. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23402. https://asbestosclaims.law/library/23402.
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