UNIPUNCH
DIE-SETS AND COUPLES AS USED IN DIE SETS AND IN PARTS OF DIE-SETS AND UNCH AND DIE COUPLES INCLUDING PUNCHES AND DIES AND/OR PUNCH AND DIE HOLDERS USED FOR STAMPING, PERFORATING, NOTCHING, AND CUTTING SHEET METAL AND OTHER SHEET MATERIAL
Registered · December 13, 1955 · 71699924 ·