| 1924 LOUIS Thread Clamping Device Patent Print |
| 1938 LEANDRE Ski Clamping Device Patent Print |
| 1930 LOUIS BAUER Clamping Device Patent Print |
| 1968 JOSEPH BRONSON Clamping Device Patent Print |
| 1944 OLSON Thread End Clamping Device Patent |
| 1918 EVANS Clamping Device Transportation Patent 22197 |
| 1962 KESTNER MATTHEW Clamping Device Patent |
| 1955 OWSEN Roller Skate Clamping Device Patent |
| 1924 JANDUS Bumper Clamping Device Patent Print |
| 1925 PANCOAST WILLIAM Clamping Device Patent |
| 1924 JANDUS Clamping Device For Bumpers Patent |
| 1922 ROBERT Clamping Device For Drinking Bowls |
| 1925 FLUM ROBERT Clamping Device Patent Print |
| 1920 MAGUTH MICHAEL Clamping Device Patent Print |
| 1936 CLAUDE Hood Clamping Device Patent Print |
| 1962 BLACK Landing Gear Clamping Device Patent |
| 1930 CRAPO JOHN Clamping Device Patent Print Art |
| 1926 DUNSTON Bumper Clamping Device Patent Print |
| 1963 ARCHER OSBORN Clamping Device Patent Print |
| 1951 FASIG Bullet Clamping Device Patent Print |