Patents by Inventor James R. McDonald, Jr.

James R. McDonald, Jr. 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).

  • Combined pipe hanger and seismic brace
    Patent number: D250088
    Type: Grant
    Filed: February 18, 1977
    Date of Patent: October 31, 1978
    Inventor: James R. McDonald, Jr.
  • Concrete deck insert
    Patent number: D258418
    Type: Grant
    Filed: July 17, 1978
    Date of Patent: March 3, 1981
    Inventor: James R. McDonald, Jr.