Quotables
"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."
Dennis Gabor, British physicist
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| Number | Title | Issue Date |
| 7172358 | Counting pen An apparatus and method provide a writing device including a button pressed by a user, wherein the button engages a mechanism used to move a writing tip between stowed and operative positions. A counter receives at least one indication each time the button is presse... | 02/06/2007 |
| 4768040 | Hand-held marking device in combination with a counter The present invention is a marking device which is hand-held and which a user uses to mark in order to count each of a plurality of items in a set and to automatically record the count. As the hand-held marking device counts each of the items, it simultan... | 08/30/1988 |
| 4340879 | Personnel in and out indicator A personnel in and out indicator device which is programmable with information regarding the in or out status and time of arrival or departure of employees at a location. The device consists of a frame on which are mounted a series of manually operable pe... | 07/20/1982 |
