Patents by Inventor David Allen Hollenbach

David Allen Hollenbach 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).

  • Bullet Resistant Desktop
    Publication number: 20150153143
    Abstract: A bullet-resistant shield is described herein that attaches to existing student desks. The embodiment consists of a bullet-resistant repositionable desk top and height-adjustable bullet-resistant front shields.
    Type: Application
    Filed: December 2, 2013
    Publication date: June 4, 2015
    Inventor: David Allen Hollenbach