Drilldown: Patents
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- Person (2118)
- Publications (24564)
- Techtypes (2373)
Patents > Office
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& National tech categories
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HU V/h
or
USPC 244/3.23
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USPC 244/80
& IPCs
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IPC B64C17/00
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IPC F02N5/00 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Use the filters below to narrow your results.
Alfred John Macy (1) ·
Arthur R. Curtis (1) ·
Augustus Frederick Watson Macmanus (1) ·
Carl Alfred Johansson (1) ·
Charles T. Litchfield (1) ·
Edwin H. Skinner (1) ·
Frederick William Dufwa (1) ·
George C. Beidler (1) ·
Herman Jordan (1) ·
James C. Johnston (1) ·
Otto Haselau (1) ·
Peter Cooper Hewitt (1) ·
Ralph D. McKay (1)
Showing below up to 12 results in range #1 to #12.