| US Patent: 306,096 
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| Screw-driver | 
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| Patentee: |  |
 | Christopher H. Olson (exact or similar names) - Decatur, IL |  
 
 
 
 
 
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| Patent Dates: |  
| Applied: | Jul. 26, 1883 |  
| Granted: | Oct. 07, 1884 |  
 
USPTO (New site tip)| Patent Pictures:
	      
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| Description: |  | Information taken from Clifford D. Fales' database.Most common, DECATUR COFFIN CO. model Marketed as: Decatur Coffin, Eureka, Olson's Patent Manufactured in two sizes. Several different handle styles were used.Marked, "DECATUR COFFIN CO. / DECATUR, ILLS. / PAT. OCT 7 — 1884". |  |