Title:
Display board having concentric cylinder indicating elements
Document Type and Number:
United States Patent 3266019
Inventors:
Beckwith, Howard W.
Publication Date:
08/09/1966
Assignee:
SCANTLIN ELECTRONICS INC
Other Classes:
340/815.620, 335/255, 340/815.860, 40/463
International Classes:
G09F11/10; G09F11/23; G09F11/00
US Patent References:
| 1923759 | Combined current value and totalizing dial | | | |
| 1952513 | Quotation board indicating apparatus | | | |
| 2010158 | Selective signaling system and apparatus | | | |
| 2145032 | Automatic stock quotation display board | | | |
| 2200802 | Signaling system and apparatus therefor | | | |
| 2244665 | Method and means for transmitting and indicating information | | | |
| 2264563 | System for remote control of quotation boards | | | |
| 2375383 | Selective signaling system | | | |
| 2456226 | Information posting board | | | |
| 3069082 | Indicating mechanism | | | |