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Breathing circuit
What is claimed is: 1. A breathing circuit which comprises: coupling means adapted to be coupled to a patient and through which the patient can inhale and exhale; a ...
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Self-inflatable rescue mask
OF A PREFERRED EMBODIMENT In the drawings, FIGS. 1 and 3 represent the rescue mask 10, deflated prior to packaging, which includes a foldable dome-shaped portion 11, ...
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Sports training aid
The present invention contemplates a removable training aid for various sports such as golf or tennis or the like to be worn on the wrist and hand to prevent bending of ...
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Cushioned protector
That which is claimed is: 1. A cushioned protector for aiding in preventing injury to the knee or elbow of the wearer and comprising (a) an elongate sleeve of textile ...
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Paper feeding means for recording apparatus
What is claimed is: 1. In an electrophotographic copying apparatus, the improvement consisting of a supplemental paper feeding device for supplying sheets of recording ...
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Method of water-solubilizing high performance polyether epoxide resins, the solubilized resins and thermoset, hydrophobic coatings derived therefrom
The E.sup.1 type of epoxides represented by formula (a) may all be described as resins. A few of the lower epoxides, such as the diglycidyl ether of bisphenol-A, are ...
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Pinball game and rotatable bumper therefor
It is a general object of this invention to provide an improved pinball game which avoids certain disadvantages of prior pinball game devices while affording additional ...
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Channel press
OF THE INVENTION In FIGS. 3 and 4 a horizontally extending channel press CP is shown with an upwardly extending inlet shaft S for introducing waste material downwardly ...
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Guitar pick
The present invention in its preferred embodiment comprises a single or unitary piece of resilient molded plastic having a pair of pick blades that individually taper at ...
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Polyphonic digital synthesizer of periodic signals
Accordingly, one object of this invention is to provide a novel synthesizer which avoids the above-noted problem by considerably simplifying the work performed by the ...
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