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| Number | Title | Issue Date |
| 4073521 | Closure lock with inflatable bladder A closure which is releasably retained in closed position relative to a surrounding structure by inflation of a locking bladder, which preferably extends about the periphery of the closure and is partially received in opposed grooves in the closure and th... | 02/14/1978 |
| 4010967 | Gasoline tank closure for a motor vehicle A closure for a gasoline tank or radiator of an automobile having a permanent magnet for securing the closure to an adjacent portion of the vehicle upon removal so it will not be lost. The closure also includes a flashing light which is activated upon rem... | 03/08/1977 |
| 3999788 | Vehicle door push button protector A vehicle door push button protector to prevent thieves or children from moving a locked push button to unlocked position. The protector comprises a pair of telescoping sleeves, the outer sleeve being securable to the door trim. The sleeves are relatively mova... | 12/28/1976 |
