Process For Propelling Foodstuffs or the Like into a Crowd
A method of launching foodstuffs into a crowd for promotional and entertainment purposes.
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| Number | Title | Issue Date |
| 4629357 | Movable barrier A movable traffic barrier for dividing adjacent lanes of traffic in a roadway which includes a number of hollow cylindrical barriers laid end to end and projecting above the roadway, and a cable for rotating said cylindrical barriers to position them on t... | 12/16/1986 |