Rectodyne Trademarks

RECTODYNE
PHARMACEUTICAL PREPARATION HAVING ANODYNE, HEMOSTATIC, ASTRINGENT, AND ANTIPRURITIC ACTION
Expired  ·  January 11, 1950  ·  71590688  · 
RECTODYNE
DRY PLATE RECTIFIERS FOR INDUSTRIAL POWER SUPPLY AND FOR AIRPLANE STARTING
Expired  ·  May 31, 1949  ·  71579752  ·