You don't need the product names or old records. No fee unless we recover compensation for your family.
Roy D. Elliott received US Patent No. 1,978,254 on October 23, 1934, filed March 9, 1932. It was assigned to Johns Manville.
The patent's description opens (from the scanned text):
This invention relates to a filtration process and apparatus.
- Author
- Roy D. Elliott
- Published by
- US Patent Office
- Series
- US Patent No. 1,978,254
- Date
- October 23, 1934
- Library no.
- ACL Doc 22297 · asbestosclaims.law/library/22297
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 5 pages · 655 KB
Where it was listed
- Asbestos, November 1934, in its patents department (the year's issues)
Cite this document
Roy D. Elliott. “Filtration Process and Apparatus (US Patent 1,978,254, 1934).” October 23, 1934. US Patent No. 1,978,254. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22297. https://asbestosclaims.law/library/22297.
ACL Doc numbers and their short links never change. See how to cite the Library.
Talk with an asbestos lawyer
Start with what you remember, and we'll take it from there.
This page is provided for general informational purposes and does not constitute legal advice. Every asbestos case turns on its own facts, exposure history, diagnosis, deadlines, available evidence, and applicable law. Reviewing this page does not create an attorney-client relationship. For advice about your specific situation, call 833-4-ASBESTOS for a free case review.