| US Patent: 185,442 
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| Improvement in Match-Planes | 
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| Patentee: |  |
 | Porter A. Gladwin (exact or similar names) - Chelsea, MA |  
 
 
 
 
 
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| Patent Dates: |  
| Applied: | Nov. 06, 1876 |  
| Granted: | Dec. 19, 1876 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | A rare Handled Double Tongue & Groove Plane by J. Walker, Cincinnati, Ohio - identical to Gladwin's patent. |  Google Patents
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                        Steve Reynolds
 John Whelan EAIA Chronicle article
 
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| Description: |  | Gladwin's invention is a moveable fence (gauge) to allow the match plane to work boards of a variety of sizes. |  |