US Patent: 838,478 
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| Road-Scarifer
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	        Patentee:
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 | Marquis J. Todd (exact or similar names) - Buffalo, Erie County, NY |  
 
 
 
 
 
| Manufacturer: |  
| Not known to have been produced |  
 
 
 
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        Patent Dates:
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| Applied: | 
May 24, 1906 | 
 
| Granted: | 
Dec. 11, 1906 | 
 
 
 
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                        Joel Havens "Vintage Machinery" entry for Buffalo Pitts Co. 
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        Description: |  
| Abstract:
The primary object of this invention is to maintain a uniform pitch when working at different depths without necessarily having to adjust the scarifier-body.
Claim:
A road-scarifier comprising a pivot ally-mounted body having a gooseneck at each end, adjusting screw-rods extended through said goosenecks, nuts pivotally mounted in the latter with which said screw-rods engage, rollers on the lower ends of said screw-rods, and pivoted frames connecting the lower ends of said screw-rods to said body. |  
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