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John W. Lkdeboer received US Design Patent No. Des. 83,624 on March 10, 1931, filed January 16, 1930.
- Author
- John W. Lkdeboer
- Published by
- US Patent Office
- Series
- US Patent No. Des. 83,624
- Date
- March 10, 1931
- Library no.
- ACL Doc 22182 · asbestosclaims.law/library/22182
- Rights
- US government work, in the public domain.
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Where it was listed
- Asbestos, May 1931, in its patents department (the year's issues)
Cite this document
John W. Lkdeboer. “Design for Shingle Roofing (US Patent Des. 83,624, 1931).” March 10, 1931. US Patent No. Des. 83,624. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22182. https://asbestosclaims.law/library/22182.
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