Patents by Inventor Thomas H. Maass, Jr.

Thomas H. Maass, Jr. 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).

  • Dental absorbent pad
    Patent number: 7425664
    Abstract: A dental absorbent pad (10) is disclosed having a moisture permeable, outer layer (11), a moisture absorbent layer (12), a stiffening plate (13), and a moisture impermeable backing (14). The moisture absorbent layer and stiffening plate are smaller in size than the overlying outer layer and backing so that a margin (17) is formed thereby which surrounds the moisture absorbent layer and stiffening plate. The margin is very flexible and therefor comfortable to a patient undergoing a dental procedure.
    Type: Grant
    Filed: December 29, 2004
    Date of Patent: September 16, 2008
    Inventors: Thomas H. Maass, Jr., Perry L. Parke