| 1928 ARTHUR Bore Safety Device For Fuses Patent |
| 1957 WENDELL T JAY Firearms Bore Scope Patent |
| 1945 KLOPP Bore Sighting Adapter Patent Print |
| 1945 BROWN Muzzle Mounted Bore Sight Patent |
| 1961 JEFFRIES Bore Hole Loading Device Patent |
| 1942 SOMES Gun Bore Heat Treating Machine Patent 12633 |
| 1963 GREBE Method For Loading A Bore Hole Patent |
| 1967 KASSABIAN Gun Bore Protector Patent Print |
| 1959 GOODWIN Portable Gun Bore Cleaner Patent |
| 1951 PETERSON Bore Sighting Fixture Patent Print |
| 1956 SWEETMAN Vent For Tapered Bore Gun Patent |
| 1981 ARCINIEGA BLANCO Bullet Bore Shotguns Patent 23809 |
| 1968 JELINEK Handle Bore Gauge FEDERAL Patent 24177 |
| 1957 HAWLEY Firearms Bore Scope Patent Print Art |
| 1927 WERNER Blasting Bore Closure Patent Print |
| 1951 JOSEPH Bore Sighting Target Patent Print |
| 1951 CRANMER RICHARD Bore Sight Patent Print Art |
| 1951 BROWN LEO Bore Sight Patent Print Art |
| 1951 GARDNER Bore Sighting Device Patent Print |
| 1948 WEESE Bore Cleaning Bullet Patent Print Art |
| 1968 THOMAS Shotgun Bore Reducer Patent Print |
| 1954 ROBERT FLANAGAN Folding Bore Sight Patent |
| 1961 GRANDY Extensible Bore Safety Pin Patent |
| 1976 HUCKENBECK Bore Sighter Design LOMB Patent 23774 |
| 1951 BROADSTON Bore Sighting Apparatus Patent |