Patents by Inventor Robert P. MacDowell

Robert P. MacDowell 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).

  • Electrical gem box leveling template
    Patent number: 5813130
    Abstract: An electrical gem box leveling template that is abutable against a wall and utilized for marking a position on the wall at which a gem box is to be mounted in the wall that is between studs in the wall. The template includes a plate, a first spirit level, and a second spirit level. The first spirit level is disposed on the plate and assures horizontal leveling of the electrical gem box leveling template. And, the second spirit level is disposed on the plate and assures vertical leveling of the electrical gem box leveling template.
    Type: Grant
    Filed: May 5, 1997
    Date of Patent: September 29, 1998
    Inventor: Robert P. MacDowell
  • Hockey game board
    Patent number: D294720
    Type: Grant
    Filed: January 24, 1985
    Date of Patent: March 15, 1988
    Assignee: APM Production Inc.
    Inventor: Robert P. MacDowell