Trademark Overview
On Friday, May 13, 1966, a trademark application was filed for ROTO-SONIC with the United States Patent and Trademark Office. The USPTO has given the ROTO-SONIC trademark a serial number of 72245579. The federal status of this trademark filing is EXPIRED as of Saturday, July 18, 1987. This trademark is owned by IRVING ELLMAN AND SHIRLEY ELLMAN. The ROTO-SONIC trademark is filed in the Medical Instrument Products category with the following description:
SCALER FOR REMOVING CALCULUS FROM TEETH