US Patent: 2,095,405 
 | 
| Bore Measuring Attachment for Dial Indicators
 | 
| 
	        Patentees:
		   |  
 | Erik H. Aldeborgh (exact or similar names) - Poughkeepsie, NY |  
| Christian E. Ruf (exact or similar names) - Poughkeepsie, NY |  
 
 
 
 
 
| Manufacturer: |  
| Not known to have been produced |  
 
 
 
 | 
| 
        Patent Dates:
         |  
| Applied: | 
Apr. 12, 1937 | 
 
| Granted: | 
Oct. 12, 1937 | 
 
 
 
USPTO (New site tip) Google Patents 
			Report data errors or omissions to steward 
                        Joel Havens 
 | 
| 
        Description: |  
| John J. Thompson - patent attorney
 |  
  |