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June 30, 2005
Independence Day
For this 4th of July weekend, I thought it be fun to look at a few patents
:
- 4,025,289 Fireworks Device
- 4,566,388 Method of Making Fireworks
- 5,028,284 Explosion Effects Enhancer for Fireworks
- 5,415,152 Method of Launching Multiple Fireworks Projectiles
Posted by Melody Wirz at 05:02 PM.
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