Patents by Inventor Mark B. Royce

Mark B. Royce 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: 4936538
    Abstract: A stand for a cut tree or the like, comprising a frame and two pairs of support arms movably mounted on the frame in vertically spaced relation. The support arms of one pair extend generally laterally in a direction that is substantially perpendicular to the lateral direction in which the support arms of the other pair extend. The support arms of each pair have generally V-shaped recessed portions adapted to engage a tree trunk placed in the stand between the support arms of each pair. Suitable locking devices are provided to releasably secure each pair of support arms in desired laterally spaced positions so that the recessed portions thereof can engage and support tree trunks of different sizes and shapes.
    Type: Grant
    Filed: October 3, 1988
    Date of Patent: June 26, 1990
    Inventor: Mark B. Royce