"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 |
| 7194934 | Ratcheting torque wrench A ratcheting torque wrench comprising a torsional shaft connected to a hex tip; a sleeve that fits over the torsional shaft; a sleeve dial having a hole and configured to fit around the sleeve such that the diameter of the sleeve dial hole accommodates the sleeve; a... | 03/27/2007 |
| 6922933 | Primer removal tool A primer removal tool comprising a starter tap, a holder for the starter tap, one or more setscrews passing through the holder and against the starter tap for securing the starter tap in the holder, a handle, a spacer bushing connected to the center of the handle, a... | 08/02/2005 |
| 5782588 | Draw bar assisted rotary hole sawing Improved, draw bar assisted, rotary hole sawing apparatus that provides the versatility and methods required whereby operator ingenuity can achieve a set up to accomplish the required hole sawing or similar type machine operation in a wide variety of posi... | 07/21/1998 |
| 5271135 | Deburring tool A hand-held deburring tool comprising a handle member with a distal end having a cavity therein, within which a unirotary ratchet bearing is disposed. The unirotary ratchet bearing has a deburring tip element-receiving bore therein for engaging the shank ... | 12/21/1993 |
| 4799832 | Ratchet tap wrench A compact tap wrench includes a ring-base, a pair of diametrically opposed handles, and a chuck mechanism friction-fit into the ring-base. A ratchet mechanism is built into one of the handles. The chuck mechanism includes interchangeable jaws for accommod... | 01/24/1989 |
| 4149820 | Pipe tapping ratchet assembly A pipe tapping ratchet assembly is disclosed herein which comprises a ratchet handle and a socket attachment received thereon. The socket attachment defines an aperture within which an adapter is received, the aperture and the adapter being configured to ... | 04/17/1979 |