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 |
| 4335381 | Remote control of electrical devices A remote control system for use e.g. in controlling the locomotives and ancillary devices of a model train layout comprises a transmitter and a number of receivers incorporated in the devices to be controlled. A composite waveform is applied across the tr... | 06/15/1982 |