Patents Assigned to Gilman Corporation
  • Hand-held channel marker
    Patent number: 9751255
    Abstract: A buoy comprising: an annular upper portion disposed on a lower portion; a drain hole disposed in the upper portion proximate to the lower portion; a handhold disposed in the upper portion distal to the lower portion; an attachment member disposed in the lower portion and protruding from a bottom of the lower portion, wherein the bottom is opposite the upper portion; and wherein at least one of the upper portion and the lower portion comprises a closed cell foam.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: September 5, 2017
    Assignee: GILMAN CORPORATION
    Inventors: Elizabeth A. Gilman, Richard L. Gilman
  • Ocean buoy
    Patent number: D363445
    Type: Grant
    Filed: October 28, 1993
    Date of Patent: October 24, 1995
    Assignee: Gilman Corporation
    Inventors: George O. Warner, Richard L. Gilman
  • Channel marker
    Patent number: D815552
    Type: Grant
    Filed: August 26, 2015
    Date of Patent: April 17, 2018
    Assignee: GILMAN CORPORATION
    Inventors: Elizabeth A. Gilman, Richard L. Gilman