VARIABLE BEAM SPOTLAMP
United States Patent 3538324
US Patent References:
/1292616.html
- - 1292616
Electric-lamp casing
- - 1440552
Light-projecting apparatus
- - 1615552
Alternating current lamp
- - 2065735
Light projector
- - 2280406
/1292616.html
- - 1292616
Electric-lamp casing
- - 1440552
Light-projecting apparatus
- - 1615552
Alternating current lamp
- - 2065735
Light projector
- - 2280406
Inventors:
Hankins, Maxey A.
Publication Date:
11/03/1970
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Export Citation:
Assignee:
MOLE RICHARDSON CO
Primary Class:
International Classes:
F21V17/02; F21V21/30; F21V17/00; F21V21/14; F21V7/00
US Patent References:
| 3254205 | Line beam illuminator |
Foreign References:
| GB425633A |