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 |
| 4068711 | Casing cutter A casing cutter adapted to be lowered into a well to cut a plurality of casings cemented in the well and having a body with a central passageway therethrough with a piston slidably mounted therein which piston is provided with a restriction so that the pi... | 01/17/1978 |
| 4059155 | Junk basket and method of removing foreign material from a well An improved junk basket comprises a tool body having a longitudinally extending passageway therethrough and a magnet assembly disposed in the passageway. A retainer is cooperative between the magnet assembly and the tool body to retain the magnet assembly... | 11/22/1977 |
| 4047568 | Method and apparatus for cutting and retrieving casing from a well bore An apparatus for cutting and recovering casing from a well which includes a well string having a swivel mounted thereon, a gripping assembly, a lower drive cone, and a cutter mounted on the lower end of the well string, the swivel functioning as the expan... | 09/13/1977 |