| 1950 KUHN CLARENCE Timing Relay Patent Print Art |
| 1961 KUHN JAMES Jumping Seat Toy Patent Print |
| 1970 KUHN Liquid Powered Pendulum Clock Patent 25052 |
| 1950 KUHN Hand Or Power Driving Mechanism Patent |
| 1940 KUHN FRANK Electric Switch Patent Print Art |
| 1945 KUHN CHARLES Toy Gun Patent Print Art |
| 1954 KUHN SR Chronometer Patent Print Art |
| 1965 KUHN Bird Feed Shipping Container Patent |
| 1966 KUHN Toy Gun With Pivotable Barrel Patent |
| 1960 KUHN JAMES Construction Toy Patent Print |
| 1935 KUHN Telescope Sight Mounting Patent Print |
| 1887 KUHN Photograph Stamp Portrait Sheet Patent 44023 |
| 1933 KUHN HERMAN Dirigible Airplane Patent Print |
| 1961 KUHN JAMES Toy Construction Set Patent |
| 1922 EDMOND KUHN Sound Reproducer Patent Print |
| 1923 KUHN Railroad Crossing Signal Patent Print |
| 1963 KUHN JAMES Toy Slide Projector Patent Print |
| 1950 GEORGE KUHN Apparel Patent Print Art |
| 1956 RALPH R KUHN Rocking Horse Patent Print Art |
| 1958 KUHN JAMES Toy Airplane Patent Print Art |
| 1932 KUHN FRANK Electric Switch Patent Print Art |
| 1962 KUHN Toy Musical Instrument BROMO Patent 25718 |
| 1947 KUHN MAX Sealing Closure Patent Print Art |
| 1968 KUHN JAMES Toy Movie Projector Patent Print |
| 1934 KUHN HOUSTON Toy Patent Print Art |
| 1961 KUHN Toy Slide Projector BROMO Patent 37926 |
| 1964 KUHN JAMES Musical Toy Patent Print Art |
| 1960 KUHN CHARLES Hoop Toy Patent Print Art |
| 1914 KUHN Ornamental Design Sad Iron Patent 45442 |
| 1940 KUHN FREDERICK Receiver Sight Patent Print |
| 1957 KUHN FRANK Electric Switch Patent Print Art |