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 |
| 5443542 | Revolver barrel with improved barrel throat and method of manufacture A revolver having a barrel and a cartridge cylinder. The barrel has a rifled barrel bore, a barrel throat, and an entrance into the barrel throat. The barrel throat is located at a rear end of the barrel bore and has a general cone shape. The entrance is ... | 08/22/1995 |
