Drilldown: Patents
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Choose a table:
- Airplane (18)
- Airship (15)
- Companies (475)
- Event (141)
- Letters (683)
- Organizations (964)
- Patents (17538)
- Person (2109)
- Publications (24559)
- Techtypes (2373)
Patents > Office :
CA or
FI or
US
& National tech categories :
HU V/h or
USPC 244/80
& IPCs :
IPC B64C17/00 or
IPC F02N5/00
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.