Patents Represented by Attorney Robert K. Lau
  • Patent number: 6884343
    Abstract: This invention is a filter for a street curb inlet catch basin that comprises a removable filter basket assembly, a funnel to channel storm water into the basket, and a support structure that holds the filter in place within the basin by means of bracing the structure against the basins interior walls without altering the interior walls of the basin.
    Type: Grant
    Filed: September 7, 2001
    Date of Patent: April 26, 2005
    Inventors: John F. Harris, Ardle E. Page
  • Patent number: 6835021
    Abstract: A trailer accessory stabilizing device for inserting into a motor vehicle trailer hitch receiver, said device comprising a shank member and a wedge member adapted for insertion into said hitch receiver, each member having abutting edges that align along a compound miter, and a rod for moving the members along the two planes of the compound miter thereby causing forces to be exerted in four opposite and opposing directions against the inner walls of the trailer hitch receiver which in turn results in an substantially immovable friction-fit between the device and the trailer hitch receiver. Whereupon, a variety of accessories may be fitted or mounted on to shank portion extending outward from the trailer hitch receiver.
    Type: Grant
    Filed: May 28, 2003
    Date of Patent: December 28, 2004
    Inventor: Keith McMillan
  • Patent number: 6808623
    Abstract: The invention is a removable filter for mounting on the top of a grate for a storm water drain that comprises an overflow bypass that has a water barrier wall that is compressible and thereby safe for traffic. The filter removes pollutants from the storm water prior to the storm water passing through the grate.
    Type: Grant
    Filed: February 7, 2001
    Date of Patent: October 26, 2004
    Inventors: John F. Harris, Ardle E. Page
  • Patent number: 6805804
    Abstract: The invention is a basin insert, for use with a storm water drain basin having a perforated cover and cover support ledges. The invention comprises a filter bag assembly having a filter bag, support means to suspend the assembly within the drain basin, and overflow bypasses. The filter bag is formed from a continuous roll of filtering material.
    Type: Grant
    Filed: April 22, 2002
    Date of Patent: October 19, 2004
    Inventor: Ardle E. Page
  • Patent number: 6601539
    Abstract: An animal chew product that provides oral hygiene benefits, comprising portions of dehydrated sweet potatoes or yams or both. In addition, the process for using and making said animal chew product.
    Type: Grant
    Filed: April 16, 2002
    Date of Patent: August 5, 2003
    Inventor: Patrice Michelle Snook