"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 |
| 7222467 | Screen with integral railing A frame assembly for at least partially enclosing a raised floor structure includes a bottom frame member positioned adjacent an associated raised floor structure. A pair of spaced apart side frame members are connected to and extend upwardly from the bottom frame m... | 05/29/2007 |
| 6813862 | Corner bracket assembly A corner bracket assembly for use in an associated movable frame assembly is provided. The corner bracket assembly includes a first housing piece having upstanding coupling pins. A second housing piece has receiving pockets for connecting engagement with the couplin... | 11/09/2004 |
| 6644380 | Corner bracket assembly A corner bracket assembly for use in an associated frame assembly is provided. The corner bracket assembly comprises a body, a first leg and second leg. The first leg extends from the body and is adapted to be connected to a first frame member of the asso... | 11/11/2003 |
| 6067760 | Corner bracket for doors and windows A corner bracket used with a window or sliding glass door assembly to form a corner joint connecting frame members together which hold the glass and weather insulation in place. The corner bracket includes a body which has a front side and a back side con... | 05/30/2000 |
| 5784841 | Electrical raceway housed in a structural member A structural member for a building includes a one-piece elongated support member having a pair of legs defining a trough therebetween and a projection extending into the trough from each of the legs. A one-piece elongated electrical raceway can be secured... | 07/28/1998 |
| 5394664 | Interlocking skylight and roof panel assembly An interlocking skylight and roof panel assembly includes a skylight unit having a glazing unit with a plurality of sides and a frame assembly secured around the glazing unit. The frame assembly includes a channel shaped first frame member having a first ... | 03/07/1995 |
| 5144776 | Header assembly Apparatus for adjustably attaching roof panels to the sidewalls of an enclosure and for securing the pitch of the roof panel with respect to the sidewalls after it has been established is disclosed. The apparatus includes a header support member which is ... | 09/08/1992 |
| 4872297 | Header assembly Apparatus for adjustably attaching roof panels to the side walls of an enclosure and for securing the pitch of the roof panel with respect to the side walls after it has been established is disclosed. The apparatus includes a header support member which i... | 10/10/1989 |