| 1854 PRICE Bridle Bit Design Patent 12748 |
| 1887 MONIER Original Design Bridle Bit Patent 36061 |
| 1886 GILHAM Design Bridle Bit BUERMANN Patent 36047 |
| 1886 DAVIS New Original Design Bridle Bit Patent 36045 |
| 1901 RIDINGS Design Bridle Bit JACKSON Patent 36230 |
| 1949 KELLY Bridle Bit Patent 6846 |
| 1940 HOKANSON Ornamental Design Drill Bit Patent 44997 |
| 1935 STEPHENS BRIGHTWELL Cutting Bit Patent |
| 1901 AYLMER Design Rock Drill Bit Patent 45560 |
| 1883 POPE Design Harness Bit Contour Patent 36021 |
| 1896 MACK Design Configuration Check Bit Patent 36116 |
| 1883 POPE Ornamentation Design Harness Bit Patent 36027 |
| 1924 BOYER FRANK Bridle Bit Patent Print Art |
| 1884 GRIFFITH Screw Eye Inserting Bit Patent 10560 |
| 1995 CARTWRIGHT Design Drill Bit Golf Shoe Patent 40572 |
| 1883 POPE New Original Design Harness Bit Patent 36024 |
| 1901 GRAVES Design Horses Bridle Bit Patent 36227 |
| 1883 POPE Contour Design Harness Bit Patent 36020 |
| 1921 LA MOTA Bit Patent Print Art |
| 1834 PIERCE Bridle Bit Patent 52175 |
| 1883 FOWLER Design Harness Bridle Bit Patent 36018 |
| 1883 BUERMANN Casting Bridle Bit Pattern Patent 36011 |
| 1921 WILLIAM F STEINMEYER Bridle Bit Patent |
| 1958 AVEN Design Drill Bit COPELAND Patent 44591 |
| 1898 CONNER Design Bridle Bit Side Bar Patent 36140 |
| 1925 LEON PARENTEAU Bridle Bit Patent Print Art |
| 1956 OLSEN Ornamental Design Drilling Bit Patent 44609 |
| 1908 MONIER Design Bridle Bit NORTH Patent 36255 |
| 1935 WILLIAM E SCHOLTZ Cutting Bit Patent Print |
| 1928 KOCH WILLIAM Bridle Bit Patent Print Art |
| 1883 POPE Design Harness Bit Ornamentation Patent 36022 |
| 1869 HEGEMAN Check Piece Design Bridle Bit Patent 35933 |
| 1925 EDOR ERICKSON Bridle Bit Patent Print Art |
| 1927 BRISTOL JOHN Driving Bit Patent Print Art |
| 1905 MONIER Design Bridle Bit JUDD Patent 36248 |
| 1883 POPE Cheek Pieces Design Harness Bit Patent 36019 |
| 1949 SINGER Mouth Protective Bit Patent Print |
| 1940 HOKANSON Drill Bit EIDCO Patent 6279 |
| 1944 BAKER New Design Drill Bit TIMKEN Patent 44878 |
| 1869 HOOVER Side Piece Design Bridle Bit Patent 35934 |
| 1878 FAIRBANKS Bridle Bit Patent 11482 |
| 1901 GETCHELL Design Drill Bit JACKSON Patent 45544 |
| 1899 CALLIS Original Design Bridle Bit Patent 36171 |
| 1883 POPE Original Design Harness Bit Patent 36025 |
| 1901 DEAN Bridle Bit Mouth Bar DAVIES Patent 36224 |
| 1890 GSCHWEND Original Design Bridle Bit Patent 36076 |
| 1882 BUERMANN Design Bridle Bit Pattern Patent 36005 |
| 1836 TAYLOR Bit Stock Patent 52793 |
| 1899 JACKSON Original Design Bridle Bit Patent 36177 |
| 1921 DAUGHERTY HARRY Bit Patent Print Art |
| 1892 HALL Original Design Frame Bridle Bit Patent 36090 |
| 1882 BUERMANN Cheek Pieces Bridle Bit Patent 36004 |
| 1928 RAUCH Bit Rack For Vehicles Patent Print |
| 1924 PATRICK NORDLUND Harness Bit Patent Print |
| 1900s DRILL BIT Patent by HOWARD HUGHES - Mine Oil |
| HOWARD HUGHES DRILL BIT PATENT Art Print oil mine |