US Patent: 2,875,524 
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| Magnetic Gauge
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	        Patentees:
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 | John L. Bower (exact or similar names) - Downey, CA |  
| William R. Abbott (exact or similar names) - Whittier, CA |  
 
 
 
 
 
| Manufacturer: |  
| Not known to have been produced |  
 
 
 
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        Patent Dates:
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| Applied: | 
Jul. 01, 1955 | 
 
| Granted: | 
Mar. 03, 1959 | 
 
 
 
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                        Joel Havens 
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        Description: |  
| William R. Lowe - patent attorney
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