Patents by Inventor Stephen C. Dambra

Stephen C. Dambra 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).

  • Patent number: 5281139
    Abstract: An apparatus for driving the turbine and for purging debris from the air and water spray channels of an air driven turbine-type dental handpiece in preparation for sterilizing the handpiece includes a purging chamber for confining the aerosol together with any microorganisms, bacteria, or other contaminents issuing from a handpiece being purged.
    Type: Grant
    Filed: January 21, 1993
    Date of Patent: January 25, 1994
    Inventors: Glenn R. Frank, Stephen C. Dambra