US Patent: 306,096 - Screw-driver


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US Patent: 306,096

Screw-driver

Patentee:

Christopher H. Olson (exact or similar names) - Decatur, IL

USPTO Classifications:

74/127

Tool Categories:

screwdrivers : screwdriver mechanisms : spiral screwdrivers

Assignees:

None

Manufacturer:

Decatur Coffin Co. - Decatur, IL

Witnesses:

I D Walker

L P Graham

Patent Dates:
Applied:	Jul. 26, 1883
Granted:	Oct. 07, 1884

Patent Pictures: [ 1 | 2 | 3 ]

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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".