United States Patent 1438345
Inventors:
Austin, Tait Walter
Tait, Giles Robert
Publication Date:
12/12/1922
Assignee:
Austin, Tait Walter
Tait, Giles Robert
Other Classes:
D07/332, 126/333, 126/304R, 99/421R, 126/37R
International Classes:
F24B1/20; F24B1/00