| 1920 BERT CARLISLE Aeroplane Patent Print Art |
| 1929 BERT STOCKWELL Wheel Dog Patent Print Art |
| 1930 BERT MESSICK Aeroplane Patent Print Art |
| 1921 WOOD BERT Aeroplane Patent Print Art |
| 1934 BERT SMITH Aircraft Patent Print Art |
| 1929 BERT COE Animal Trap Patent Print Art |
| 1956 DUESING BERT Detonator Holder Patent Print |
| 1920 ANDRESS BERT Railway Signal Patent Print |
| 1922 MARTIN BERT Combination Sled Patent Print |
| 1952 GODFREY BERT Marine Propeller Patent Print |
| 1939 CHAPPELL BERT Animal Trap Patent Print Art |
| 1926 DAVIS BERT Egg Turning Tray Patent Print |
| 1951 FREDRICKSON BERT Archery Sight Patent Print |
| 1922 BERT SMITH Toy Patent Print Art |
| 1923 PUNCHES BERT Air Gun Patent Print Art |
| 1921 WOOD BERT Propeller Patent Print Art |
| 1944 CARLSON BERT Metering Device Patent Print |
| 1954 BERT Resettable Timing Device Patent Print |
| 1951 SHANNON BERT Reefing Machine Patent Print |
| 1938 BERT CHAPMAN Secondary Clock Patent Print |
| 1931 GERKEN BERT Toy Gun Patent Print Art |
| 1949 BERT SMITH Throttle Lever Patent Print Art |
| 1953 FREDRICKSON BERT Archery Sight Patent Print |
| 1935 ELLIOTT BERT Game Device Patent Print Art |
| 1921 BARTHOLOMEW BERT Railroad Gate Patent Print |
| 1939 ANDERSON BERT Child'S Vehicle Patent Print |
| 1931 BAKER BERT Mount For Guns Patent Print Art |
| 1932 SANFORD BERT Trailer Truck Patent Print Art |
| 1924 WITHEY BERT Game Board Patent Print Art |
| 1926 BERT KENNEDY Golf Bag Patent Print Art |
| 1926 LUCKENBILL BERT Game Apparatus Patent Print |
| 1950 JONES BERT Spring Seat Patent Print Art |
| 1959 HEFNER BERT Cable Hanger Patent Print Art |
| 1961 PARKS BERT Fishing Reel Patent Print Art |
| 1938 ANDERSON BERT Electric Alarm Patent Print |
| 1939 BERT PITCHER Bust Form Patent Print Art |
| 1931 BERT L ADAMS Amusement Device Patent Print |
| 1955 BERT KENNEDY Gloves Patent Print Art |
| 1938 BERT TRAVIS Toy Vehicle Patent Print Art |
| 1941 BERT BARNETT Toy Patent Print Art |
| 1957 WALLACE BERT Running Target Patent Print |
| 1923 BERT KENNEDY Fly Shooter Patent Print Art |
| 1928 BERT M FILMER Bumper Patent Print Art |
| 1924 BERT NOLL Truck Body Patent Print Art |
| 1964 BROOKS BERT Marker Buoy Patent Print Art |
| 1923 SHAVER BERT Pistol Patent Print Art |
| 1931 BERT Clock Resetting Device Patent Print |
| 1967 GOULD BERT Launching Device Patent Print |
| 1941 CHAPPELL BERT Insect Trap Patent Print Art |
| 1939 BERT Two Speed Coaster Brake Patent Print |
| 1923 BERT R VOGT Fly Swatter Patent Print Art |
| 1966 GOULD BERT Nested Rockets Patent Print Art |
| 1928 MARTIN BERT Toy Vehicle Patent Print Art |
| 1920 GRAHAM BERT Fly Swatter Patent Print Art |
| 1925 WATSON BERT Automobile Carrier Patent Print |