| US Patent: 663,005 
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| Holder for Turning and Boring Tool | 
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| Patentee: |  |
 | Conrad Bolthauser-Schmid (exact or similar names) - Zurich, Zurich Canton,  Switzerland |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Jun. 23, 1900 |  
| Granted: | Dec. 04, 1900 |  USPTO (New site tip)
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                        Joel Havens
 
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| Description: |  | Applied for in Switzerland, 04 Dec., 1899, patent #18,862 and applications in Austria, 14 Dec., 1899; in Germany, 10 Jan., 1900; in Hungary, 23 Apr., 1900; in France, 01 Jun., 1900;in Italy, 02 Jun., 1900; in Belgium, 02 Jun., 1900 and in Great Britain, 02 Jun., 1900. |  |