Famous Patents
The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 7366472 | Technology for creating a RF radiation-free environment The invention relates to a method of rendering telecommunication devices ineffective, by creating a substantially radio frequency radiation-free environment by providing an interference generating pattern (IGP) adjacent to the environment in a position between the e... | 04/29/2008 |
| 7317369 | Superconductor magnet coil configuration A superconducting magnet coil configuration comprising at least one section of a superconducting strip conductor, which is continuously wound in a cylindrical winding chamber (1) between two end flanges (2, 3) in several solenoid-like layers is charact... | 01/08/2008 |
| 4710591 | EMI/RFI shielding assembly for cathode ray tube monitors The present disclosure describes a shielding assembly which finds particular application in the suppression of electromagnetic emissions from the face of a CRT mounted in a metal chassis. The assembly effects an emissions seal with two electrical terminat... | 12/01/1987 |
| 4262365 | RFI shield for an IR input circuit A thin metal RFI (radio frequency interference) shield for an IR (infra-red) input circuit including an IR transducer for a remote control receiver has slot-like apertures with louver-like members formed by twisting the metal between the slot-like apertur... | 04/14/1981 |
