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 |
| 5234732 | Tamper-indicating wrappers Tamper-indicating, laminated wrappers wherein a visible change between layers of the wrapper indicate that the wrapper has been punctured or that there has been tampering with the wrapper or its contents. The wrapper may be composed of two or more plies o... | 08/10/1993 |
| 5049007 | Horizontal belt conveyor airlock An airlock for the batch or continuous feeding of a material while obstructing the free flow of a gas. The airlock comprises a continuous belt having a substantially horizontal upper surface and a plurality of non-porous flights projecting out from the be... | 09/17/1991 |
| 4998542 | Wrapper for smoking articles and method for preparing same A wrapper for smoking articles having controllable combustion characteristics. The wrapper comprises cigarette paper and an amorphous inorganic network formed from a gel.... | 03/12/1991 |
