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| Patents for Gunther Pracht | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,570,512 | Feb. 18, 1986 | G. Pracht | Cork screw having a bell-shaped housing | self and partial cork pullers | |
| 4,658,678 | Apr. 21, 1987 | G. Pracht | Cork screw furnished with a bell-shaped housing | self and partial cork pullers | |