Patents by Inventor Ernest L. Simms, Sr.

Ernest L. Simms, Sr. 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: 4930599
    Abstract: A combination ladder and carriage carried by the ladder for up and down movement to carry loads up the ladder at construction sites including building, repairs and the like at elevated heights. The upper ends of the ladder rails are extended in bow-like fashion so as to enable the ladder to reach over a roof or other elevated structure, and the carriage has a back wall of flexible construction enabling it to accommodate the bow-like ends of the ladder whereby to bring the load more closely to where it is needed.
    Type: Grant
    Filed: August 17, 1989
    Date of Patent: June 5, 1990
    Inventor: Ernest L. Simms, Sr.