Patents by Inventor Carl W. Ingalls

Carl W. Ingalls 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).

  • Pattern for absorbent sheet material
    Patent number: D430406
    Type: Grant
    Filed: December 13, 1999
    Date of Patent: September 5, 2000
    Assignee: Irving Tissue, Inc.
    Inventor: Carl W. Ingalls
  • Pattern for absorbent sheet material
    Patent number: D430407
    Type: Grant
    Filed: December 13, 1999
    Date of Patent: September 5, 2000
    Assignee: Irving Tissue Inc.
    Inventor: Carl W. Ingalls
  • Pattern for absorbent sheet material
    Patent number: D431371
    Type: Grant
    Filed: December 15, 1999
    Date of Patent: October 3, 2000
    Assignee: Irving Tissue, Inc.
    Inventors: Carl W. Ingalls, Julie Yoh
  • Pattern for absorbent sheet material
    Patent number: D431372
    Type: Grant
    Filed: December 15, 1999
    Date of Patent: October 3, 2000
    Assignee: Irving Tissue, Inc.
    Inventors: Carl W. Ingalls, Julie Yoh