Patents by Inventor Craig A. Haskins

Craig A. Haskins 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).

  • Modular ramp system
    Patent number: 5446937
    Abstract: A modular ramp system for use with a threshold which has an offset. The modular ramp system includes a number of elements which may be arranged in various combinations in order to conform to offsets of varying height.
    Type: Grant
    Filed: September 8, 1992
    Date of Patent: September 5, 1995
    Assignee: Pemko Manufacturing Company
    Inventor: Craig A. Haskins
  • Threshold skirt
    Patent number: D345218
    Type: Grant
    Filed: September 8, 1992
    Date of Patent: March 15, 1994
    Assignee: Pemko Manufacturing Company
    Inventor: Craig A. Haskins