Patents by Inventor Natural Chaw

Natural Chaw has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5224720
    Abstract: A multi-purposed stroller includes a chair having a cover for shielding the same from sunshine and rain. The chair has a first and second recess respectively extending from a bottom and a front of the chair. A frame fixedly attached to the chair adjacent to its bottom has two ends carrying detachably a pair of rear wheels. The chair also has a pair of first toothed wheels respectively fixed on both sides of the chair adjacent to its top portion and a foot rest extending from the front and having a third recess therethrough and in communication with the second recess. A forked frame that includes two arms carrying a second wheel therebetween is inserted detachably into the second and third recesses. An inverted U-shaped frame is disposed on both sides of the chair that includes two arms, each with a second toothed wheel adapted to be meshed with the first toothed wheel such that the position of the inverted U-shaped frame can be altered relative to the back portion of the chair.
    Type: Grant
    Filed: April 21, 1992
    Date of Patent: July 6, 1993
    Inventors: Natural Chaw, Herng-Der Hwang