Awning type window structure with locking means
United States Patent 3045296
Inventors:
Arthur, Silverman
Publication Date:
07/24/1962
Assignee:
Arthur, Silverman
Other Classes:
49/82.100, 49/81.100
International Classes:
E06B3/50; E06B3/32
US Patent References:
| 2950510 | Vent locking means for awning type windows | | | |