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 |
| 6312188 | Non-lethal, rapidly deployed vehicle immobilizer There is disclosed a device and associated method for impeding the motion of a land vehicle travelling along a pathway on a terrain surface. First and second supports are positioned at first and second sides of the pathway, respectively, each capable of b... | 11/06/2001 |
| 6138812 | Edge protection gate An elevated loading/conveyor platform includes a generally rectangular knock-over gate positioned in the load-in side opening of the platform structure, where the knock-over gate is pivotally mounted within the load-in side opening and pivotable from a ve... | 10/31/2000 |
| 5975792 | Citylift The present invention relates to an improved security control barrier for use in controlling ingress and egress to entranceways, exit ways, driveways, and parking spots. The device consists of a telescoping bollard inserted into a casing imbedded below gr... | 11/02/1999 |
