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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 |
| 5885127 | Wild game caller An improved wild animal game caller using a tapered and tubular latex-like reed adjustably enveloping an exterior portion of a substantially hollow caller casing, entirely or partially covering an air exit port of said casing. This configuration readily a... | 03/23/1999 |
| 5179255 | Baseball bat having the functions of resonators and microphones A baseball bat having the functions of resonators and microphones is designed to be hollow and has a receiver cup disposed at its inner top end in such a manner that a spring may be hooked to its bottom while the other end of the spring is hooked to a tun... | 01/12/1993 |
| 5127870 | Echo-type toy megaphone A toy megaphone including a housing having a number of openings formed in the upper end, a member fixed in an upper portion of the housing, and a spring biased between the member and a lower end of the housing, and the member and the spring being caused t... | 07/07/1992 |
| 4897067 | Diaphragh-type game caller with removable spacer The present invention provides a dual diaphragm-type game caller of a size and shape suitable for inserting into a user's mouth for support against the roof of the mouth so that free edges of two diaphragms retained together as a unit in a spaced-apart re... | 01/30/1990 |
| 4832653 | Toy musical instrument A toy musical instrument of the type commonly known as a kazoo having an open-ended turret section, a resonating membrane positioned within the turret section and a retainer member for installation within the turret section and for releasably securing the... | 05/23/1989 |
| 4187635 | Method and apparatus for sound production An apparatus and method for producing sound, particularly unusual sound effects, wherein the apparatus comprises at least one diaphragm and a spring attached to the diaphragm, having a lowest resonance frequency less than 18 hertz. The apparatus includes ... | 02/12/1980 |
