Patents by Inventor Marshall H. Walker

Marshall H. Walker 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).

  • Bandage compression indicator
    Patent number: 6050967
    Abstract: Visual indication of compressive force applied by a compression bandage is provided by forming a continuous pattern of repeated geometric shapes in the bandage strip with indicator yarn. The continuous pattern is formed so that the shape of each geometric design is changed when tension is applied to the bandage and the shape of the deformed pattern is indicative of compression force applied.
    Type: Grant
    Filed: November 16, 1998
    Date of Patent: April 18, 2000
    Assignees: Avcor Health Care Products, Inc., Johnson & Johnson Medical, Inc.
    Inventors: Marshall H. Walker, Fred M. Trainor, George P. Hansen
  • Decorated bandage
    Patent number: D405529
    Type: Grant
    Filed: August 3, 1998
    Date of Patent: February 9, 1999
    Assignees: Avcor Health Care Products, Inc., Johnson & Johnson Medical, Inc.
    Inventors: Marshall H. Walker, Fred M. Trainor, George P. Hansen
  • Decorated bandage
    Patent number: D422083
    Type: Grant
    Filed: August 3, 1998
    Date of Patent: March 28, 2000
    Assignees: Avcor Health Care Products, Inc, Johnson & Johnson Medical, Inc.
    Inventors: Marshall H. Walker, Fred M. Trainor, George P. Hansen
  • Decorated bandage
    Patent number: D422363
    Type: Grant
    Filed: May 8, 1997
    Date of Patent: April 4, 2000
    Assignees: Avcor Health Care Products, Inc., Johnson & Johnson Medical, Inc.
    Inventors: Marshall H. Walker, Fred M. Trainor, George P. Hansen
  • Decorated bandage
    Patent number: D422708
    Type: Grant
    Filed: August 3, 1998
    Date of Patent: April 11, 2000
    Assignees: Avcor Health Care Products, Inc., Johnson & Johnson Medical, Inc.
    Inventors: Marshall H. Walker, Fred M. Trainor, George P. Hansen