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http://worldcat.org/entity/work/id/42733992

Perry Okey patent papers

Seven patents granted to Perry Okey, an inventor from Columbus, Ohio, for automobile self-starter, saw-cutting machine, fluid-density meter, computing device, apparatus for feeding lines, refrigerating system, lens grinding machine; and correspondence regarding his claim for priority in an osmotic patent. Also includes three glass negatives of a device invented by Okey.

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  • "Seven patents granted to Perry Okey, an inventor from Columbus, Ohio, for automobile self-starter, saw-cutting machine, fluid-density meter, computing device, apparatus for feeding lines, refrigerating system, lens grinding machine; and correspondence regarding his claim for priority in an osmotic patent. Also includes three glass negatives of a device invented by Okey."@en

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  • "Perry Okey patent papers"@en

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