Smoke abatement apparatus
United States Patent 2632089
Inventors:
Clay, Buckmaster Ray Jacob
Publication Date:
03/17/1953
Assignee:
Clay, Buckmaster Ray Jacob
Other Classes:
417/155, 165/145, 392/379, 417/179, 392/360, 165/134.100, 165/109.100, 392/369, 261/DIG.009, 261/116