Patents by Inventor Gary P. Lahti

Gary P. Lahti 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).

  • Portable lifter
    Patent number: 4929010
    Abstract: This invention deals with a portable lifter of the kind designed to fit around the balled earth and root system or bagged earth and root system of a shrub or a tree. The device of the instant invention is fabricated from light-weight metal such as aluminum or very light steel. It is believed by the inventor herein that this device is most useful in tree and shrub nurserys to allow the transportation of such trees and shrubs.
    Type: Grant
    Filed: October 25, 1989
    Date of Patent: May 29, 1990
    Inventor: Gary P. Lahti