Patents by Inventor Donald A. Ruffcorn

Donald A. Ruffcorn 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: 5603357
    Abstract: A method for manufacturing a double jacketed fire hose, and a double jacketed fire hose comprising an inner jacket and an outer jacket, the inner jacket being encapsulated with polyurethane, the inner jacket residing within the outer jacket, the inner and outer jacket having a controlled net twist.
    Type: Grant
    Filed: December 8, 1995
    Date of Patent: February 18, 1997
    Assignee: Snap-Tite, Inc.
    Inventors: Josef B. Schomaker, Michael Kirik, Jr., Donald A. Ruffcorn
  • Patent number: 5593527
    Abstract: A method for manufacturing a double jacketed fire hose, and a double jacketed fire hose comprising an inner jacket and an outer jacket, said inner jacket being encapsulated with polyurethane, said inner jacket residing within said outer jacket, said inner and outer jacket having a controlled net twist.
    Type: Grant
    Filed: May 15, 1995
    Date of Patent: January 14, 1997
    Assignee: Snap-Tite, Inc.
    Inventors: Josef B. Schomaker, Michael Kirjk, Jr., Donald A. Ruffcorn
  • Patent number: 5430244
    Abstract: Dynamic correction of a musical instrument input data stream providing a transposed musical context in conjunction with local scale and harmony corrections. Local corrections are applied with respect to a reference sequence and the time delay of local corrections may be varied by the user.
    Type: Grant
    Filed: June 1, 1993
    Date of Patent: July 4, 1995
    Assignee: E-mu Systems, Inc.
    Inventors: Donald Ruffcorn, Robert C. Bliss, Scott Wedge