United States Patent 2491721
Inventors:
Albert, Gelardin
Publication Date:
12/20/1949
Assignee:
Albert, Gelardin
Other Classes:
401/81, 401/86, 401/54
International Classes:
A45D40/04; A45D40/10; A45D40/00; A45D40/02
US Patent References:
| 2395710 | Expellant holder with telescopic screw core | | | |