Patents Assigned to GRRN Co.
  • Flask or similar article
    Patent number: D268008
    Type: Grant
    Filed: October 15, 1980
    Date of Patent: February 22, 1983
    Assignees: Rosalie S. Levine, Mildred J. Bisacca, GRRN Co.
    Inventor: Frank H. Witt, Jr.
  • Flask or similar article
    Patent number: D268326
    Type: Grant
    Filed: October 15, 1980
    Date of Patent: March 22, 1983
    Assignees: Rosalie S. Levine, Mildred J. Bisacca, GRRN Co.
    Inventor: Frank H. Witt, Jr.
  • Flask or similar article
    Patent number: D269498
    Type: Grant
    Filed: October 15, 1980
    Date of Patent: June 28, 1983
    Assignees: Rosalie S. Levine, Mildred J. Bisacca, GRRN Co.
    Inventor: Frank H. Witt, Jr.