Difference between revisions of "Patent for a Spot and floodlight projector apparatus by Joseph Levy, 1937 (Q31797)"
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Revision as of 11:30, 23 July 2023
the patent of the Leko
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Patent for a Spot and floodlight projector apparatus by Joseph Levy, 1937 | the patent of the Leko |
Statements
Type of information
Field
author
Publication date
6 April 1937
0 references
Copy available online
TBU external
US2076240.pdf
0 references
mentions