Patents by Inventor Alvin H. Imamura

Alvin H. Imamura 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: 5117778
    Abstract: An improved moated combination food and water animal feeding dish with nested offset triangular receptacles for improved resistance to tip over by maximizing the overall combined weight distribution characteristics of the food-water-dish combination which includes a pair of nested offset triangular receptacles, a floor, a first triangularly shaped dish secured to the floor, the first triangularly shaped dish having vertically arranged walls peripherally surrounding and disposed below the rim of a generally triangularly shaped second dish shaped similar to the first dish but substantially larger than the first dish and disposed so that it surrounds the first dish, whereby the apexes of the first dish are placed in close proximity to the mid-point between each of the pairs of apexes of the second dish.
    Type: Grant
    Filed: October 7, 1991
    Date of Patent: June 2, 1992
    Inventor: Alvin H. Imamura