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Patent No. 5996568

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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Class 73/441 - Portable hand manipulable syringe type


Subclass of Class 73 - Measuring and testing
Definition: Devices including a chamber of barrel, usually transparent,
No. of patents: 3
Last issue date: 08/17/1999


NumberTitleIssue Date
5938885Automated method for monitoring and controlling the orthophosphoric acid etch rate of silicon nitride insulator layers
A method for continuously monitoring and controlling the etch rates within integrated circuits of silicon nitride insulator layers and silicon nitride insulator structures in aqueous ortho-phosphoric acid (H3PO4) solutions. To practice the method of the p...
08/17/1999
4697454Combined hydrometer for testing the battery and radiator fluid
A combined hydrometer for measuring the specific gravity of a radiator fluid and a battery fluid including a fluid chamber having a transparent front window, a substantially horizontal axis in the chamber, an upper battery fluid scale having readings corr...
10/06/1987
4126044Antifreeze tester
A specific gravity tester for antifreeze solutions including a transparent tube, a bulb on one end, and a sample-collecting hose on the other end; the transparent tube being of molded plastic and defining an interior guideway with broad, flat surfaces hav...
11/21/1978
 
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