"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 |
| 6129550 | Educating special needs children about place settings An apparatus for educating children with special educational needs about how to set a table includes a mat having emblems thereon indicative of the locations for proper placement of a napkin, a plate, flatware and a drinking vessel. The emblems are each f... | 10/10/2000 |