...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 |
| 6655302 | Lobby banking financial security transaction chamber A primary communication channel for drive-in customers performing financial transactions with bank teller while customers are in their cars from the drive-through lanes. This telecommunication system is a conduit secured line telephone receiver for each s... | 12/02/2003 |
| 4709659 | Ballistic and forced entry resistant barrier The present invention is directed to a forced entry and ballistic resistant barrier comprising a plurality of adjacent segments securely and rigidly affixed to each other. Each segment includes a first pair of longitudinally elongated C-shaped channels wh... | 12/01/1987 |
| 4380201 | Bank construction A construction such as a building or the like in which banking transactions can be conducted in a more secure and businesslike manner. In essence, the structure is divided into a banking area and a teller's area by a security wall against which a pluralit... | 04/19/1983 |
| 4190003 | Counter window for use in particular in chemist's shops The protected counter window comprises a frame incorporated in a partition wall separating the dispensary from the public. There is a peep hole and a transfer and exchange opening in the window. The window has a trough which is pivotally mounted in the tr... | 02/26/1980 |
| 4170947 | Security window A security window has a non-transparent bullet resistant screen between the people on either side of the window. Because this screen cannot be seen through, an arrangement of mirrors (two on each side of the screen) is provided to reflect images from each... | 10/16/1979 |
| 4082047 | Modular visitor station The visitor station permits good visual and voice communication between persons, such as a visitor and an inmate, disposed on opposite sides of a wall within a jail, prison or similar institution, but prohibits physical contact and the passage of drugs an... | 04/04/1978 |
| 4061093 | Teller protection unit A teller protection unit is herein disclosed. The teller protection unit includes a frame featuring an interlocking base. A bullet-resistant transparent element is resiliently mounted within the frame. The bullet-resistant transparent element is mounted i... | 12/06/1977 |
| 4005662 | Armor window An armor window through which air, sound and sight without inversion will pass freely yet sight can be selectively obstructed and at all times the flight of a propelled element at any angle will be obstructed by at least two spaced angle iron members with... | 02/01/1977 |
| 3995566 | Bulletproof baffle arrangement A bulletproof baffle member for use in an opening of a bulletproof wall construction comprises a base portion for positioning in the opening and at least one pair of bullet-deflecting baffles extending therefrom at an angle of less than 180°. The confron... | 12/07/1976 |