Patents by Inventor James Doll

James Doll 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).

  • Plant coding system
    Patent number: 4972616
    Abstract: A plant coding system used by retail establishments includes a plant wall chart color coded according to groups of plants requiring certain amounts of sunlight, cards similarly color coded and located at the display area for plants of a similar variety requiring a predetermined level of light; and plant tags associated with each plant and color coded to correspond to the light required and shown also on the card.
    Type: Grant
    Filed: June 18, 1985
    Date of Patent: November 27, 1990
    Assignee: The John Henry Company
    Inventor: James Doll
  • Catamaran mono hull
    Patent number: D991132
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: July 4, 2023
    Inventor: James Doll