Patents by Inventor E. S. Robb

E. S. Robb 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: 4072241
    Abstract: An agricultural vehicle for collecting and transporting hay bales includes a mobile frame having laterally spaced side members each having a plurality of bale lifting and supporting members movably mounted thereon and arranged in longitudinally spaced and laterally opposed pairs. The agricultural vehicle includes power means for moving the bale lifting and supporting members between a depending position and a bale supporting position. The agricultural vehicle may be a trailer and includes a tongue member pivotally connected to a forward end of one of the frame side members and movable between a first position with the vehicle and a prime mover in longitudinal alignment and a second position with the vehicle parallel with and laterally offset from prime mover.
    Type: Grant
    Filed: December 30, 1976
    Date of Patent: February 7, 1978
    Inventors: Gary D. Parker, E. S. Robb