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US Patent: 306,096
Screw-driver
Patentee:
Christopher H. Olson - Decatur, IL

USPTO Classifications:
74/127

Tool Categories:
screwdrivers : screwdriver mechanisms : spiral screwdrivers

Assignees:
None

Manufacturer:
Decatur Coffin Co. - Decatur, IL

Witnesses:
Unknown

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: No. 1 = __-14", No. 2 Several different handle styles were used.

Marked, "DECATUR COFFIN CO. / DECATUR, ILLS. / PAT. OCT 7 — 1884"

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