| US Patent: 2,135,900 
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| Grinding Tool | 
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| Patentee: |  |
 | Harry W. Kulp (exact or similar names) - Lancaster, Lancaster County, PA |  
 
 
 
| Assignees: |  | K D Mfg Co - Lancaster, Lancaster County, PA |  
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Mar. 19, 1935 |  
| Granted: | Nov. 08, 1938 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Harry W. Kulp patent November 8, 1938 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | Valve seat dresser / lapping / grinding tool.
Harry W. Kulp and Martin C. Dellinger were the founders of KD Mfg. Co. of Lancaster, PA. |  |