US Patent: D57,044 
 | 
| Dental Die Device
 | 
| 
	        Patentees:
		   |  
 | John E. Hollison (exact or similar names) - Chicago, IL |  
| Charles H. Miller (exact or similar names) - Chicago, IL |  
 
 
 
 
 
| Manufacturer: |  
| Not known to have been produced |  
 
 
 
 | 
| 
        Patent Dates:
         |  
| Applied: | 
Jan. 27, 1919 | 
 
| Granted: | 
Feb. 01, 1921 | 
 
 
 
| 
		  Patent Pictures:
	       |  
 |  
John E. Hollison and Charles H. Miller patent February 1, 1921  |  
 
USPTO (New site tip) Google Patents 
			Report data errors or omissions to steward 
                        Stan Schulz 
 | 
| 
        Description: |  
| Pliers type tool with rotating dies to form dental crown caps. |  
  |