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An automatic bed maker which uses the expansion of inflatable bladder to straighten, align, and tuck-in bed-cover assembly.
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| Number | Title | Issue Date |
| 4691341 | Method of transferring digital information and street lighting control system Remote control of street lights utilizes a programmable computer which generates wavelike control signals at fundamental frequencies in the voice range and having half periods corresponding in time-duration to the pulses used for binary digits in logic ci... | 09/01/1987 |
