Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7461597 | Waterproof cartridge seal A closure wad is placed at the mouth of the launching end of a shotgun cartridge before the mouth is crimped down to seal the launching end of the cartridge. Both the walls of the closure cap and the walls at the mouth of the plastic envelope are crimped down togeth... | 12/09/2008 |
| 7316090 | Defense device, preferably self-defense device and storage unit used therein A storage unit includes a nozzle unit, a storage space holding an active substance, an openable closure element sealing the storage space, a store output that includes the nozzle unit and a nozzle entry space having a circumferential inner wall arranged between a no... | 01/08/2008 |
| 6988450 | Anti-personnel ammunition Anti-personnel tank fired ammunition designed for attacking personnel at various ranges includes a hollow base member adapted with an electric primer and a plastic or aluminum canister containing a payload at one end thereof. In operation, the hollow cartridge is lo... | 01/24/2006 |
| 5121693 | Hermetically sealed shot shell having an increased volume and a method for making same An increased volume shotshell having a biaxially oriented plastic tubular body has an end closure disk heat sealed to the open end of the shotshell eliminating the conventional star crimp closure. The increases volume results from making available the spa... | 06/16/1992 |
| 4991512 | Moisture seal shotshells A moisture seal is designed for a shotshell having a biaxially oriented plastic tubular body. The seal is a composite of a thermally conductive layer and a thermoplastic such as high density polyethylene laminated together. The rim portion of the inner la... | 02/12/1991 |
| 4656948 | Water containing explosive cartridge and preparation thereof This invention relates to a water containing explosive cartridge, of which at least one end face is constituted of a star-shaped crimping closure including an inner lid, and a process for producing the same.... | 04/14/1987 |
