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| Patents for G. E. Matthies | |||||
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| Number | Date | Patentee | Title | Type | |
| D34,139 | Feb. 26, 1901 | J. Swan | Design for a Firmer Chisel | firmer chisels | |
| 670,742 | Mar. 26, 1901 | J. Swan | Die for Making Chisels | making chisels | |