| 1904 CAMPBELL Diaper Patent 6726 |
| 1953 CAMPBELL Fuze Setting Apparatus Patent |
| 1927 CAMPBELL Nude Radiator Cap Patent 17079 |
| 1923 CAMPBELL Coupling Release Rigging Patent |
| 1870 WILSON Design Skewer Cushion CAMPBELL Patent 35956 |
| 1885 CAMPBELL Toy Sword Patent 10725 |
| 1922 ARGYLE CAMPBELL Car Construction Patent |
| 1877 CAMPBELL Railroad Ties Patent 6591 |
| 1922 CAMPBELL Car Spare Tire Lock Patent 9366 |
| 1949 CAMPBELL Weight Lifting Tool FOX Patent 29661 |
| 1930 CAMPBELL Bridge Warning Indicator Patent |
| 1903 CAMPBELL Netted Fabric Toilet Sponge Patent 34026 |
| 1968 CAMPBELL Mechanical Capture System Patent |
| 1931 CAMPBELL Pneumatic Hammer Design ELECTRIC Patent 8 |
| 1924 CAMPBELL Pendant For Watchcases Patent |
| 1959 CAMPBELL Illuminated Electric Clock Patent |
| 1939 CAMPBELL CO INC AS Vertical Bumper Patent |
| 1938 CAMPBELL Shot For Athletic Uses Patent |
| 1828 CAMPBELL Floating Excavator Patent 51310 |
| 1921 CAMPBELL WILLIAM Parcel Carrier Patent |
| 1966 CAMPBELL Rhythm Tempo Control System Patent |
| 1836 CAMPBELL Locomotive Patent 52599 |
| 1914 CAMPBELL Water Bottle Syringe Bag Patent 39064 |
| 1938 CAMPBELL CO INC AS Vertical Bumper Patent |
| 1918 CAMPBELL Ornamental Design Harp HEALY Patent 25462 |
| 1950 CAMPBELL Ornamental Design Birdhouse Patent 39980 |
| 1977 KRAWAGNA Golf Club Monitor CAMPBELL Patent 46592 |
| 1902 CAMPBELL Electric Railway System Patent 12256 |
| 1951 CAMPBELL Design Drafting Instrument Patent 44694 |
| 1932 ARGYLE CAMPBELL Car Construction Patent |
| 1946 CAMPBELL Piston Brake Valve Patent Print |
| 1897 RAILTON Design Valve Casing CAMPBELL Patent 43897 |
| 1921 CAMPBELL Coupling Release Rigging Patent |
| 1927 ARGYLE CAMPBELL Car Construction Patent |
| 1941 CAMPBELL Rotary Can Washer CHERRY Patent 44968 |
| 1936 GEORGE H CAMPBELL Game Totalizer Patent |
| 1967 CAMPBELL Automatic Rhythm Device Patent |
| 1920 CAMPBELL Ornamental Design Harp HEALY Patent 25468 |
| 1928 CAMPBELL MACMILLAN Power System Patent |
| 1925 CAMPBELL Design Sign POCAHONTAS Patent 29097 |
| 1956 CAMPBELL DAVID Stabilized Truck Patent |
| 1930 CAMPBELL Toy Handkerchief Case Purse Patent |
| 1945 CAMPBELL Design Fan Casing CLIMAX Patent 30413 |
| 1930 CAMPBELL Wrist Watch Attachment Patent |
| 1941 CAMPBELL Casing Ventilation CLIMAX Patent 30364 |
| 1945 CAMPBELL Plate Whirler Ornamentation Patent 24655 |
| 1946 CAMPBELL Plate Developer Design Patent 24660 |
| 1935 CAMPBELL Pencil Sharpener Casing Patent 41177 |
| 1930 NEIL CAMPBELL Hull For Water Craft Patent |
| 1966 CAMPBELL Sound Simulation System Patent |