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| Patents for Richard L. Werdin | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,250,551 | Feb. 10, 1981 | R.L. Werdin, L.C. Poehlman, G.E. Paveglio, Jr. | Methods and Apparatus for Lead Segment Machining | nc and cnc apparatus | |