Patents by Inventor William D. Arnold

William D. Arnold 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: D244409
    Type: Grant
    Filed: November 26, 1975
    Date of Patent: May 24, 1977
    Assignee: Lee-Rowan Company
    Inventor: William D. Arnold
  • Patent number: D276865
    Type: Grant
    Filed: April 16, 1982
    Date of Patent: December 25, 1984
    Assignee: Lee-Rowan Company
    Inventor: William D. Arnold
  • Patent number: D276866
    Type: Grant
    Filed: April 16, 1982
    Date of Patent: December 25, 1984
    Assignee: Lee-Rowan Company
    Inventor: William D. Arnold
  • Patent number: D276867
    Type: Grant
    Filed: April 16, 1982
    Date of Patent: December 25, 1984
    Assignee: Lee-Rowan Company
    Inventor: William D. Arnold
  • Patent number: D276868
    Type: Grant
    Filed: April 16, 1982
    Date of Patent: December 25, 1984
    Assignee: Lee-Rowan Company
    Inventor: William D. Arnold
  • Patent number: D276967
    Type: Grant
    Filed: August 11, 1982
    Date of Patent: January 1, 1985
    Assignee: Lee-Rowan Company
    Inventors: William D. Arnold, Charles E. Causey