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| Patents for Eric Irwin | |||||
| Number | Date | Patentee | Title | Type | |
| D411,808 | Jul. 06, 1999 | E. Irwin | Tapered gauge | ||
| D418,733 | Jan. 11, 2000 | J.S. Lynn, E. Irwin | Carver's knife handle | ||
| 6,676,495 | Jan. 13, 2004 | M.B. Siemers, E. Irwin, L.G. Lee, L. Sevack | Power sharpening system | ||