United States Patent 2446387
Inventors:
Peterson, Thomas F.
Publication Date:
08/03/1948
Assignee:
Peterson, Thomas F.
Other Classes:
376/288, 338/256, 338/214, 174/117R, 174/104, 174/36, 252/511, 174/115, 174/102C, 252/506, 174/106SC, 524/495, 338/216, 338/259, 174/113R
International Classes:
H01B9/02; H01B9/00
Foreign References:
| GB188000756A | | | | |
| GB191419882A | | | | |
| GB404519A | | | | |
| GB450805A | | | | |
| GB526895A | | | | |