United States Patent 1881446
Inventors:
Flanzer, Joseph A.
Publication Date:
10/11/1932
Assignee:
TECHNIDYNE CORP
Other Classes:
29/620, 338/308, 252/508, 219/543, 425/811, 252/514, 439/894, 338/309, 338/162
International Classes:
H01C1/14; H01C10/00; H01C17/28