Patents by Inventor Leonard W. H. Clement

Leonard W. H. Clement 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).

  • Helmet face mask
    Patent number: 4587677
    Abstract: A clip joins a face mask to a helmet, the helmet having an elongate element like a wire and the face mask having a recess in the form of an elongate slot. The clip has two similar halves integrally pivoted together and defining adjacent the pivot region a receiving cavity for the elongate element. Each half of the clip is adapted to co-act resiliently with the recess to be retained by and in it.
    Type: Grant
    Filed: October 16, 1984
    Date of Patent: May 13, 1986
    Assignee: Cooper Canada Limited
    Inventor: Leonard W. H. Clement
  • Size adjustable helmet
    Patent number: 4539715
    Abstract: A helmet having a front shell and a rear shell movable with respect to each other. Portions of the two shells overlap each other and present mating surfaces which can engage to retain the shells in a given overlapping position and can disengage to allow the shells to change their relative position. A device is provided for selectively (a) holding the mating surfaces in engagement, or (b) releasing them to disengage.
    Type: Grant
    Filed: April 22, 1983
    Date of Patent: September 10, 1985
    Assignee: Cooper Canada Limited
    Inventor: Leonard W. H. Clement
  • Hockey helmet
    Patent number: D277331
    Type: Grant
    Filed: October 12, 1982
    Date of Patent: January 29, 1985
    Assignee: Cooper Canada Limited
    Inventor: Leonard W. H. Clement