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| Patents for Kenneth A. Wollermann | |||||
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| Picture | Number | Date | Patentee | Title | |
| 4,356,609 | Nov. 02, 1982 | K.A. Wollermann | Spindle Keylock | ||
 | CA-1,167,668 | May 01, 1984 | K.A. Wollermann | Spindle keylock | |