Patents by Inventor Laura B. Walker

Laura B. Walker 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).

  • Greenhouse with integral humidifier
    Patent number: 4928425
    Abstract: A greenhouse having a hollow framework structure (20) with water under pressure fluidly disposed inside characterizing a combined structural frame and water pipe. A number of spray nozzles (34) are attached to the framework at appropriate locations and drippers (60) are, likewise, attached. The nozzles atomize the water increasing the humidity inside the greenhouse and the drippers water the plants beneath. A transparent enclosure consisting of walls (42) and a roof (44) envelope the framework and are attached with straps (50). Air ciculation is achieved by windows (52) and vents (54) along with an optional fan (56).
    Type: Grant
    Filed: November 28, 1988
    Date of Patent: May 29, 1990
    Inventors: Robert M. Walker, Jr., Robert M. Walker, Sr., Laura B. Walker
  • Lighted, skeletal helicopter table
    Patent number: D650609
    Type: Grant
    Filed: August 2, 2010
    Date of Patent: December 20, 2011
    Inventors: Robert M. Walker, Laura B. Walker