| 1920 BROCK Adjustable Toy Vehicle Patent Print |
| 1928 BROCK Doll-Arm-Actuating Mechanism Patent |
| 1965 BROCK Underwater Telephone Patent Print Art |
| 1926 EDISON BROCK Soil Can Patent Print Art |
| 1946 BROCK Tractor Generator Mounting Patent |
| 1941 JACOB BROCK Nursing Doll Patent Print Art |
| 1921 BROCK MAYNOR Toy Vehicle Patent Print Art |
| 1963 BROCK Windshield Structure Patent Print Art |
| 1955 BROCK AARON Buoy Patent Print Art |
| 1924 BROCK LAWRENCE Figure Toy Patent Print Art |
| 1941 BROCK Mining Car Bumper Coupling Patent |
| 1951 BROCK Pallet Stone Setting Tool Patent |
| 1912 HUBBARD BROCK Packing HUBBARD BROCK Patent 19802 |
| 1967 BROCK Motor Actuated Bumper Patent Print |
| 1952 BROCK SINKLER Watchmaker'S Vise Patent |
| 1950 EVERDING BROCK Firearm Patent Print Art |
| 1924 BROCK Railway Signaling System Patent Print |
| 1963 BROCK HENRY Windshield Assembly Patent |
| 1901 BROCK Tone Modifier Design STERLING Patent 13102 |
| 1966 BROCK Water Ski Shoe Attachment Patent |
| 1931 HUGO BROCK Boat Patent Print Art |
| 1939 BROCK WILLIAM Toy Pistol Patent Print Art |
| 1961 BROCK Automatic Unloading Trailer Patent |
| 1944 BROCK WILLIAM Fuel Tank Patent Print Art |
| 1949 BROCK Tractor Radiator Grille Patent Print |