...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 6459428 | Programmable sample filtering for image rendering A graphics system configured to perform programmable filtering of samples to generate pixel values. The graphics system comprises a frame buffer, an accelerator unit and a video output processor. The accelerator unit receives graphics primitives, renders ... | 10/01/2002 |
| 6348986 | Wireless fiber-coupled telecommunication systems based on atmospheric transmission of laser signals A wireless optical transceiver system which includes a passive optical antenna coupled by optical fiber to an active electronics module. The transceiver system receives and transmits light beams from/to the atmosphere,.and thereby communicates optically w... | 02/19/2002 |