| US Patent: 1,532,799 
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| Magneto | 
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| Patentees: |  
 | Terrence G. Louis (exact or similar names) - Springfield, MA |  | Harold H. Clark (exact or similar names) - Springfield, MA |  | Ira E. Hendrickson (exact or similar names) - Springfield, MA |  | Phelps Brown (exact or similar names) - Springfield, MA |  
 
 
 
 
 
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| Patent Dates: |  
| Applied: | Jul. 18, 1923 |  
| Granted: | Apr. 07, 1925 |  USPTO (New site tip)
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                        Joel Havens
 "Vintage Machinery" entry for Witherbee Igniter Co.; Wico Electric Co.
 
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| Description: |  | Improvement to patent 1,517,948. |  |