| 1967 DOW CHEMICAL CO Herbicide Dispenser Patent |
| 1952 PONDER SPEERS Chemical Bomb Patent Print |
| 1963 DOW CHEMICAL CO Detonating Device Patent |
| 1945 DOW CHEMICAL CO Aircraft Power Plant Patent |
| 1967 DOW CHEMICAL CO Ice Fishing Aid Patent |
| 1945 DOW CHEMICAL CO Aircraft Patent Print Art |
| 1966 DOW CHEMICAL CO Airfoil Structure Patent |
| 1970 DOW CHEMICAL CO Airfoil Structure Patent |
| 1963 MURPHY CHEMICAL LTD Animated Lure Patent |
| 1963 DOW CHEMICAL CO Well Fracturing Patent |
| 1962 DOW CHEMICAL CO Practice Ball Patent Print |
| 1961 THIOKOL CHEMICAL CORP Aerial Flare Patent |
| 1943 GEN CHEMICAL CORP Tank Construction Patent |
| 1968 DOW CHEMICAL CO Airfoil Structure Patent |
| 1972 HOGARTH Chemical Discharge Device Patent 12365 |
| 1958 UNEXCELLED CHEMICAL CORP Rockets Patent |
| 1967 THIOKOL CHEMICAL CORP Flamethrower Patent |
| 1951 GLOWACKI Electric Chemical Vaporizer Patent 26285 |
| 1936 GEN CHEMICAL CORP Railway Car Patent Print |
| 1927 GRIFFIN Chemical Container Patent Print Art |
| 1930 POHLSON Combustible Chemical Unit Patent |
| 1884 MITCHELL Chemical Railway Car Warmer Patent 7207 |
| 1958 UNEXCELLED CHEMICAL CORP Flares Patent |
| 1956 RICARDS JR Chemical Bomb Patent Print Art |
| 1997 MORI Ocean Buoy Design WORLD CHEMICAL Patent 24330 |
| 1949 DOW CHEMICAL CO Nonmetallic Armor Patent |
| 1962 DOW CHEMICAL CO Area Detonation Patent |
| 1922 METER JAMES Chemical Cartridge Patent Print |
| 1970 ASAHI CHEMICAL IND Pile Fabric Patent Print |
| 1967 DOW CHEMICAL CO Presplitting Device Patent |
| 1954 GORE Chemical Applicator Or Swab Patent 8451 |
| 1964 VELSICOL CHEMICAL CORP Fog Generator Patent |
| 1871 LITTLE Chemical Telegraph Design Patent 9501 |
| 1896 LOBACH Electrical Chemical Reactor Patent 5852 |
| 1962 THIOKOL CHEMICAL CORP Control System Patent |