Patents Represented by Attorney, Agent or Law Firm R. H. J. Powell
  • Patent number: 6343860
    Abstract: The present invention relates to toric-shaped see through lenses used in eyewear. The lenses have a substantially constant thickness and having base curve with a substantially constant radius of curvature of at least 15 mm and preferably in the range of 19-23 mm. The toric lenses may be supported in a frame formed of either rigid or flexible material and attached to a strap assembly adaptable to be worn by the user. Optionally, each of the lenses may be supported by a flanged member and ventilation passages preferably extending through the frame and/or the lenses to allow air to circulate around the lenses.
    Type: Grant
    Filed: August 25, 2000
    Date of Patent: February 5, 2002
    Assignee: Greenhouse Grown Products, Inc.
    Inventor: Elizabeth M. Pierotti