Drilldown: Patents
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Choose a table:
- Airplane (18)
- Airship (15)
- Companies (480)
- Event (141)
- Letters (683)
- Organizations (967)
- Patents (17617)
- Person (2158)
- Publications (24571)
- Techtypes (2383)
Patents > Granted:
Yes
& National tech categories
:
244/80
or
AT 77d
or
USPC 244/80
& IPCs
:
IPC B64C11/00
or
IPC B64C17/00
or
IPC B64C3/38
or
IPC B64C33/02
& CPCs
:
CPC B64C17/00
or
CPC B64C2700/6295 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
Use the filters below to narrow your results.
Alfred John Macy (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) ·
Myron E. Curtiss (1) ·
Otto Haselau (1) ·
Peter Cooper Hewitt (1) ·
Ralph D. McKay (1)
Showing below up to 12 results in range #1 to #12.