Patents by Inventor Warren Kirsch

Warren Kirsch 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).

  • Recyclable and compostable eating utensils and other products made from crop-based resin & method of manufacture
    Publication number: 20090126204
    Abstract: A product is formed from a crop-based resin that decomposes into a compost within 120 days or less and is heat resistant being able to remain in hot water at a temperature of at least 190 degrees Fahrenheit for at least 15 minutes without any substantial loss in rigidity.
    Type: Application
    Filed: June 6, 2008
    Publication date: May 21, 2009
    Inventors: James Wagner, Warren Kirsch
  • Chopstick
    Patent number: D543418
    Type: Grant
    Filed: December 14, 2005
    Date of Patent: May 29, 2007
    Inventors: Warren Kirsch, James Wagner
  • Chopstick
    Patent number: D548542
    Type: Grant
    Filed: January 29, 2007
    Date of Patent: August 14, 2007
    Inventors: Warren Kirsch, James Wagner