1. One-Piece Fixed Bridge;Bruno;J. Pros. Den.,1955
2. One-Piece Castings for Fixed Bridgework;Rubin;J. Pros. Den.,1955
3. Fixed Bridges Without Soldering;Penzer;J. Pros. Den.,1953
4. Fixed Bridge Work With One Piece Cast Backings and Acrylic Resin Facings;Tamarin;J.A.D.A.,1961