Quotables
"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 |
| 7246975 | Hole saw with replaceable cutting tip A device for cutting a hole, such as in sheet metal is provided. The device includes an axially rotatably cylindrical body that is operable with a rotatable drive. A distal end portion of the body includes a replaceable cutting tip and a replaceable pilot. The cutti... | 07/24/2007 |
| 6677877 | Comparator, analog-to-digital converter and method of analog-to-digital conversion using non-linear magneto-electronic device An analog-to-digital converter for converting an analog input signal to a digital output signal is described. The ADC includes a comparator circuit having first to nth stages of comparators responsive to the analog input signal. Each comparator... | 01/13/2004 |
| 4230162 | Wood working machine In accordance with this invention a wood working machine is provided which facilitates the sequential working of opposite sides of a wooden work piece to form a flange for a cable reel. The work piece is grippingly held against a work piece support while ... | 10/28/1980 |
