| US Patent: 3,589,237 
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| Double cross-slide milling attachment | 
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| Patentees: |  
 | Herman C. Voellm, Jr. (exact or similar names) - Meadowbrook, PA |  | Manfred E. Strohecker (exact or similar names) - Hatboro, PA |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Jul. 30, 1969 |  
| Granted: | Jun. 29, 1971 |  USPTO (New site tip)
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                        Jeff Joslin
 
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| Description: |  | This invention enhances the rotary milling head accessory of patents 3,153,369 and 3,249,017 by adding X-Y positioning to the offset spindle. |  |