Patents by Inventor Melvin Drumm

Melvin Drumm 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: 4969816
    Abstract: This disclosure is directed to a dental material carrier and applicator in the form of a syringe capsule for containing a supply of dental material, e.g. a dental lining material for treating exposed dental pulp that has formed on the end thereof adjacent the discharging nozzle or orifice an applicator configuration for facilitating the positioning of the material as the dentist is applying the material contained within the capsule.
    Type: Grant
    Filed: March 20, 1989
    Date of Patent: November 13, 1990
    Inventor: Melvin Drumm
  • Patent number: D320852
    Type: Grant
    Filed: May 15, 1989
    Date of Patent: October 15, 1991
    Assignee: Centrix, Inc.
    Inventor: Melvin Drumm