Patents by Inventor Robert B. Sher

Robert B. Sher 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).

  • Pipe
    Patent number: D265766
    Type: Grant
    Filed: March 31, 1981
    Date of Patent: August 10, 1982
    Inventor: Robert B. Sher
  • Pipe
    Patent number: D265935
    Type: Grant
    Filed: March 31, 1981
    Date of Patent: August 24, 1982
    Inventor: Robert B. Sher
  • Pipe
    Patent number: D265936
    Type: Grant
    Filed: March 31, 1981
    Date of Patent: August 24, 1982
    Inventor: Robert B. Sher
  • Pipe
    Patent number: D266605
    Type: Grant
    Filed: March 31, 1981
    Date of Patent: October 19, 1982
    Inventor: Robert B. Sher
  • Pipe
    Patent number: D273713
    Type: Grant
    Filed: August 5, 1982
    Date of Patent: May 1, 1984
    Inventor: Robert B. Sher
  • Pipe
    Patent number: D273714
    Type: Grant
    Filed: August 5, 1982
    Date of Patent: May 1, 1984
    Inventor: Robert B. Sher
  • Pipe
    Patent number: D273715
    Type: Grant
    Filed: August 5, 1982
    Date of Patent: May 1, 1984
    Inventor: Robert B. Sher
  • Oil lamp
    Patent number: D280937
    Type: Grant
    Filed: March 14, 1983
    Date of Patent: October 8, 1985
    Inventor: Robert B. Sher
  • Oil lamp
    Patent number: D280938
    Type: Grant
    Filed: March 14, 1983
    Date of Patent: October 8, 1985
    Inventor: Robert B. Sher
  • Oil lamp
    Patent number: D280939
    Type: Grant
    Filed: March 14, 1983
    Date of Patent: October 8, 1985
    Inventor: Robert B. Sher
  • Oil lamp
    Patent number: D280940
    Type: Grant
    Filed: March 14, 1983
    Date of Patent: October 8, 1985
    Inventor: Robert B. Sher
  • Oil lamp
    Patent number: D281015
    Type: Grant
    Filed: March 14, 1983
    Date of Patent: October 15, 1985
    Inventor: Robert B. Sher