Patents by Inventor Joseph M. Greenleaf

Joseph M. Greenleaf 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).

  • Mobile cable carrier convertible to rotary dispensing reel
    Patent number: 4768732
    Abstract: The carrier has a foot which is suspended from the wheeled carriage of the same and lowered into engagement with a supporting surface therebelow. The foot and carriage are adapted to rotate in relation to one another, moreover, so that when the foot is so engaged, the carriage can be rotated about the foot on the wheels of the carriage. In this way, the carriage can be used as a rotary dispensing reel for the cable, as well as a mobile carrier for it.
    Type: Grant
    Filed: December 7, 1987
    Date of Patent: September 6, 1988
    Inventor: Joseph M. Greenleaf