United States Patent 2625973
Inventors:
Weldon, John J.
Levitt, Beryl L.
Publication Date:
01/20/1953
Assignee:
Weldon, John J.
Levitt, Beryl L.
Other Classes:
383/37, 383/23, 209/937, 220/9.400, 312/211, 220/909, 383/34, 220/500, 248/99, 280/79.200, 312/213, 209/933
International Classes:
D06F95/00