| 1936 JOHN CHRISTIANSEN Articulated Car Patent |
| 1927 CHRISTIANSEN HANS Brooder Patent Print Art |
| 1922 CHRISTIANSEN Marine Vessel Patent Print Art |
| 1949 CHRISTIANSEN PHILIP Boat Patent Print Art |
| 1949 CHRISTIANSEN Boat Patent Print Art |
| 1961 KIRK CHRISTIANSEN Toy Building Brick Patent |
| 1965 CHRISTIANSEN Diver'S Weight Patent Print |
| 1963 CHRISTIANSEN Flag Divers HEALTHWAYS Patent 19391 |
| 1964 CHRISTIANSEN Diver'S Flag Patent Print Art |
| 1961 CHRISTIANSEN First Legos INTERLEGO Patent 46009 |
| 1933 JOHN CHRISTIANSEN Articulated Car Patent |
| 1927 CHRISTIANSEN Horse Nose Guard Patent Print |
| 1975 CHRISTIANSEN Double Joint INTERLEGO Patent 38168 |
| 1940 INGVALD CHRISTIANSEN Water Pony Patent |
| 1921 CHRISTIANSEN Motorcycle Side Car Patent 22137 |
| 1938 CHRISTIANSEN Motorless Toy Airplane Patent |
| 1937 CHRISTIANSEN Toy Airplane Device Patent |
| 1935 JOHANNES CHRISTIANSEN Wing Rotor Patent |
| 1940 CHRISTIANSEN Weight Actuated Toy Patent |
| 1936 OSCAR CHRISTIANSEN Artificial Bait Patent |