Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 6798158 | Wind sensing awning control A awning control circuit and assembly including an ambient thermistor and a heated thermistor for sensing wind speed. A microprocessor determines the present wind speed by referencing values of the thermistors to a stored lookup table. When the wind speed meets or e... | 09/28/2004 |
| 4764142 | Portable stage structure and kit A children's portable stage structure embodying a changeable pictorial scene setting outer curtain, an inner closure curtain, and a canopy removably extending the stage structure outwardly of a supporting wall surface.... | 08/16/1988 |
| 4724882 | Adjustable awning structure An adjustable awning structure which can be assembled for use or disassembled for shipping and storage has two sides. The size of one or both sides of the canvas can be adjusted. The supporting angle of one or both sides of the canavas can also be adjuste... | 02/16/1988 |
| 4184295 | Sun's rays reflector awning A reflector awning for buildings, trailers, mobile homes and other structures including a reflector frame having a transparent reflective panel mounted therein with pairs of bracket arms pivotally connected to the side frame members adjacent the upper and... | 01/22/1980 |
