Surgical parallel drill guide Grant – ‎Filed Aug 17, 1993 – ‎Issued Jan 24, 1995 – ‎Aniruddha A. Nazre – ‎Zimmer, Inc. Inventor: Aniruddha Nazre The ornamental design for a surgical parallel drill guide, as shown and described. FIG. 1 is a perspective view of a surgical parallel drill guide;FIG. 2 is a side elevational view thereof;FIG. … Continue reading US PATENT 354810 by Aniruddha Nazre