Drilldown: Patents
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- Airplane (18)
- Airship (15)
- Companies (480)
- Event (141)
- Letters (683)
- Organizations (967)
- Patents (17619)
- Person (2162)
- Publications (24571)
- Techtypes (2388)
Patents > Inventor country :
CA or
None
& Related to aircraft :
.5? or
0.5 or
1852-08-14 or
Partially or
None
& National tech categories:
USPC 244/3.23
& First filing:
Yes
& Citations from after 1930:
None
& Number of figures:
None
Use the filters below to narrow your results.
Showing below up to 1 result in range #1 to #1.