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US Patent: 5,909,930
Retractable blade utility knife having quick change feature
Patentees:
James Felix Mariol - Cincinnati, OH
Howard Nicholas Ragland, III - Cincinnati, OH

USPTO Classifications:
30/125, 30/335

Tool Categories:
layout tools : marking knives
knives and cutters
specialty tools : knives and cutters

Assignees:
Millers Falls Tool Co. - Cincinnati, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 05, 1997
Granted: Jun. 08, 1999

Patent Pictures:
USPTO pdf tiff
Google Patents
Report data errors or omissions
Randy Roeder's Millers Falls Co. site
"Vintage Machinery" entry for Millers Falls Co.

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