Patents by Inventor Brenda Lewellen Gaba

Brenda Lewellen Gaba 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).

  • Flexible membrane keyboard
    Patent number: 6603408
    Abstract: A flexible membrane keyboard comprises opposed flexible plastic membranes having pressure sensitive switches embedded therebetween. Each pressure sensitive switch is individual to a particular letter, numeral, symbol, or function. A microprocessor is connected to each of the pressure sensitive switches and generates a keyboard output indicative of the pressure sensitive switch or group of pressure sensitive switches that is actuated at any particular time.
    Type: Grant
    Filed: June 28, 2000
    Date of Patent: August 5, 2003
    Inventor: Brenda Lewellen Gaba