Patents by Inventor Edwin I. Casada

Edwin I. Casada 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: 4653608
    Abstract: An extension ladder workshelf apparatus for supplying a work area on extension ladders. Apparatus is attached by hooks which allows apparatus to be attached at any desired height.
    Type: Grant
    Filed: February 3, 1986
    Date of Patent: March 31, 1987
    Inventor: Edwin I. Casada
  • Patent number: 4460063
    Abstract: A step ladder work bench apparatus for significantly increasing the top shelf area on step ladders. Apparatus is hingedly attached to said step ladder allowing apparatus to be raised and hooked in place for use and lowered against step ladder rails for storage.
    Type: Grant
    Filed: April 12, 1982
    Date of Patent: July 17, 1984
    Inventor: Edwin I. Casada