| US Patent: 497,356 
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| Electric-car truck | 
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| Patentee: |  |
 | George S. Strong (exact or similar names) - New York, NY |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Jan. 25, 1892 |  
| Granted: | May 16, 1893 |  USPTO (New site tip)
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                        Jeff Joslin
 Vintage Machinery entry for Houston, Stanwood & Gamble Co.
 
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| Description: |  | This electric truck motor was never manufactured by Houston, Stanwood & Gamble Co., so far as we can tell. See also patent 505,541, which may be related. |  |