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 |
| D600570 | Bracelet watch | 09/22/2009 |
| D583685 | Wrist watch | 12/30/2008 |
| 7119832 | Wireless microphone for use with an in-car video system An in-car video system and method is provided where a wireless microphone is configured with bi-directional communications capability. In response to a received RF activation signal, the wireless microphone is automatically switched on to capture (and transmit back ... | 10/10/2006 |
| 7023333 | Automatic activation of an in-car video recorder using a vehicle speed sensor signal An in-car video system and method are provided where a vehicle speed derived from a vehicle speed sensor (“VSS”) signal is compared against a user-settable threshold value. If the vehicle speed exceeds the threshold value, an alarm is generated. The alarm is use... | 04/04/2006 |
| 6847312 | Symmetric line coding A method an apparatus for symmetric line coding is provided where a binary input signal d is received; a value for each of a pair of binary bits p and q are dynamically defined in response to the input stream; and a pair of output bitstreams v1 and v... | 01/25/2005 |
| 6782157 | Bidirectional optical interleaver The abstract is amended to read, “An inventive method and apparatus is provided by a bidirectional optical 1×2 device formed by a cascade of three optical 2×2 devices. Each 2×2 device is bidirectional where optical signals propagate through the 2×2 device in t... | 08/24/2004 |
