Patents by Inventor Robert Van Zeyl

Robert Van Zeyl 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).

  • Pressure gauge
    Patent number: D440893
    Type: Grant
    Filed: March 30, 2000
    Date of Patent: April 24, 2001
    Inventor: Robert Van Zeyl
  • Pressure gauge
    Patent number: D440894
    Type: Grant
    Filed: March 30, 2000
    Date of Patent: April 24, 2001
    Assignee: Measurement Specialties, Inc.
    Inventor: Robert Van Zeyl
  • Pressure gauge
    Patent number: D440895
    Type: Grant
    Filed: March 30, 2000
    Date of Patent: April 24, 2001
    Assignee: Measurement Specialties Inc.
    Inventor: Robert Van Zeyl
  • Pressure gauge
    Patent number: D441674
    Type: Grant
    Filed: March 30, 2000
    Date of Patent: May 8, 2001
    Assignee: Measurement Specialties Inc.
    Inventor: Robert Van Zeyl