| US Patent: 506,249 
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| Chip-breaker for woodworking machines | 
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| Patentees: |  
 | Calvin D. Marsh (exact or similar names) - Williamsport, PA |  | Charles F. Overhiser (exact or similar names) - Williamsport, PA |  
 
 
 
 
 
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| Patent Dates: |  
| Granted: | Oct. 10, 1893 |  USPTO (New site tip)
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                        Jeff Joslin
 Vintage Machinery entry for Rowley & Hermance Co.
 Vintage Machinery entry for American Wood Working Machinery Co.
 
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| Description: |  | This patent date was seen on a Rowley & Hermance machine pictured in the book "Planers, Matchers and Molders in America" by Chandler W. Jones. It was also seen in an 1897 Rowley & Hermance catalog on an "Anti-Vibratory Chip-Breaker". |  |