Safety air nozzle
United States Patent 2320964

Inventors:
Yates, Harry A.
Publication Date:
06/01/1943
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Assignee:
Yates, Harry A.
Primary Class:
239/291
Other Classes:
239/DIG.022, 454/305, 15/405, 239/457, 239/439
International Classes:
B05B1/00; B08B5/02