| US Patent: 1,720,802 
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| Spring Compressor Compressor For Springs of Internal Combustion Engines
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| Patentee: |  |
 | Joseph Sunnen (exact or similar names) - St. Louis, MO |  
 
 
 
 
 
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| Patent Dates: |  
| Applied: | Dec. 18, 1926 |  
| Granted: | Jul. 16, 1929 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Joseph Sunnen patent July 16, 1929 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | The tool's lever and clamp appearance make it an object of speculation.
Marked SUNNEN PRODUCTS CO. - ST. LOUIS, MO - PAT. PEND. This spring compressor was advertised in the April 1927 "Chilton Catalog and Directory". It fit springs on several six-cylinder engines, and came with a set of six clips to hold the compressed springs. |  |