| US Patent: 1,731,987 
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| Space-plate cleaner | 
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| Patentee: |  |
 | Joseph Schwabe, Jr. (exact or similar names) - Milwaukee, WI |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Granted: | Oct. 15, 1929 |  USPTO (New site tip)
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                        Jeff Joslin
 
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| Description: |  | Assignee Bolens owned Gilson Mfg. Co., which made engine-powered dragsaws.A space plate is a component of a linotype machine. |  |