"The wireless music box has no imaginable commercial value. Who would pay for a message sent to nobody in particular?"
David Sarnoff, American radio pioneer ; 1921
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| Number | Title | Issue Date |
| 5172791 | Conveying apparatus having improved reliability and security A conveyor system for moving a container, such as a cash box, between a main station, such as a bank building, and one or more secondary stations, such as an automatic teller machine. The conveyor includes at least two continuous smooth tubes running betw... | 12/22/1992 |
| 4014407 | Concealed security transport system Drive-in banks, some large service stations and similar operations use cashiers windows located on small islands at a remote place from the central building. A concealed transport system is located below the floor of the main building and employs a carrie... | 03/29/1977 |