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Home  |   FAQs  |   Contact Us  |   Store Policy  |   About Us View: All Items | Buy It Now 34 results found Preferences: Title & item description [ Edit preferences | Clear preferences ] View as:Gallery Sort by:Time: ending soonest Shipping to USA 1900 Tesla Coil - Nikola Tesla - US Patent - P60I-NTP $9.95 Time left:11d 17h 51m Enlarge 1939 Electron Microscope - Ruska - US Patent - P71I-NTP $9.95 Time left:11d 17h 51m Enlarge 1962 Medical Cardiac Pacemaker - US Patent - P20I-NTP $9.95 Time left:11d 17h 51m Enlarge 1908 Triode Vacuum Tube - US Patent - P69I-NTP $9.95 Time left:11d 17h 51m Enlarge 1945 Uranium-233 - Seaborg - US Patent - P82I-NTP $9.95 Time left:11d 17h 51m Enlarge 1904 Fleming Valve - IEEE - US Patent - P68I-NTP $9.95 Time left:11d 17h 51m Enlarge 1958 Johnson & Johnson Band-Aid - US Patent - P27I-NTP $9.95 Time left:11d 17h 51m Enlarge 1906 Audion Tube - Lee De Forest - US Patent - P66I-NTP $9.95 Time left:11d 17h 51m Enlarge 1913 Goddard Rocket - Rocketry - US Patent - P86I-NTP $9.95 Time left:11d 17h 51m Enlarge 1926 Johnson & Johnson Band-Aid - US Patent - P26I-NTP $9.95 Time left:11d 17h 51m Enlarge 1846 Artificial Leg - Prosthetic - US Patent - P01I-NTP $9.95 Time left:11d 17h 51m Enlarge 1957 NASA Space Satellite - US Patent - P88I-NTP $9.95 Time left:11d 17h 51m Enlarge 1873 Bush Kaleidoscope - US Patent - P99P-NTP $9.95 Time left:11d 17h 51m Enlarge 1958 Optical Maser - Laser - US Patent - P76I-NTP $9.95 Time left:11d 17h 51m Enlarge 1907 Audion Tube - Lee De Forest - US Patent - P67I-NTP $9.95 Time left:11d 17h 51m 1888 Burroughs Calculator - US Patent - P50I-NTP $9.95 Time left:11d 17h 51m Enlarge 1891 Hicks Clinical Thermometer - US Patent - P10I-NTP $9.95 Time left:11d 17h 51m 1891 L. S. Starrett Micrometer - US Patent - P58I-NTP $9.95 Time left:11d 17h 51m Enlarge 1913 Keuffel & Esser Slide Rule - US Patent - P53I-NTP $9.95 Time left:11d 17h 51m Enlarge 1943 Pocket Protector - IEEE - US Patent - P74I-NTP $9.95 Time left:11d 17h 51m Enlarge 1966 Bell Rocket Belt - US Army - US Patent - P90I-NTP $9.95 Time left:11d 17h 51m Enlarge 1963 Mercury Spacecraft - NASA - US Patent - P93I-NTP $9.95 Time left:11d 17h 51m Enlarge 1959 Redstone Rocket - Von Braun - US Patent - P84I-NTP $9.95 Time left:11d 17h 51m Enlarge 1876 Crookes Radiometer - Light - US Patent - P55I-NTP $9.95 Time left:11d 17h 51m Enlarge 1913 Coolidge X-ray Tube - US Patent - P36I-NTP $9.95 Time left:11d 17h 51m Enlarge 1910 Sphygmomanometer - US Patent - P15I-NTP $9.95 Time left:11d 17h 51m Enlarge 1935 Van de Graaff Generator - US Patent - P63I-NTP $9.95 Time left:11d 17h 51m Enlarge 1934 Cyclotron Ion Accelerator - US Patent - P72I-NTP $9.95 Time left:11d 17h 51m 1889 Hollerith Computer - IBM - US Patent - P51I-NTP $9.95 Time left:11d 17h 51m Enlarge 1933 Radioactive Material - US Patent - P80I-NTP $9.95 Time left:11d 17h 51m Page 1 of 2 Previous 1|2|3|4|5|6|7 Next Go to page

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