Patents by Inventor David A. Todd

David A. Todd 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: 8997929
    Abstract: A ladder locking designed intended to prevent access to a tree stand and an attached ladder includes a two-piece interlocking frame, top and bottom hooks to engage rungs of the ladder, and a locking bar. The frames include a mesh covers having a width greater than the tree stand ladder. The frame is secured to the ladder by the top and bottom hooks, which provide opposing hangers hooked over and clamping ladder rungs. A bottom of the frame includes a locking bar which insertingly engages between the two frame sections and secured with a padlock. The frame is placed over a ladder and locked to prevent unwanted persons from ascending the ladder.
    Type: Grant
    Filed: April 28, 2011
    Date of Patent: April 7, 2015
    Inventors: David A. Todd, John Todd
  • Patent number: 6544129
    Abstract: A vibration dampening device (10) for use on the shaft (101) of a golf club (100) to reduce the vibration generated along the shaft (101) of a golf club (100) by a mis-hit golf shot wherein the device (10) includes: a strip (20) of elastomeric material (21) dimensioned to partially surround the shaft (101) of a golf club; a split ring clip member (30) having an expansible vertical slot (35) dimensioned to receive both the shaft of (101) of a golf club (100) and the strip (20) of elastomeric material (21); and, a capture unit (13) including a strip of adhesive tape (41) dimensioned to encircle the split ring clip member (30) at least once.
    Type: Grant
    Filed: February 19, 2001
    Date of Patent: April 8, 2003
    Inventor: David A. Todd
  • Publication number: 20020115499
    Abstract: A vibration dampening device (10) for use on the shaft (101) of a golf club (100) to reduce the vibration generated along the shaft (101) of a golf club (100) by a mis-hit golf shot wherein the device (10) includes: a strip (20) of elastomeric material (21) dimensioned to partially surround the shaft (101) of a golf club; a split ring clip member (30) having an expansible vertical slot (35) dimensioned to receive both the shaft of (101) of a golf club (100) and the strip (20) of elastomeric material (21); and, a capture unit (13) including a strip of adhesive tape (41) dimensioned to encircle the split ring clip member (30) at least once.
    Type: Application
    Filed: February 19, 2001
    Publication date: August 22, 2002
    Inventor: David A. Todd