Drilldown: Patents
Jump to navigation
Jump to search
Choose a table:
- Airplane (18)
- Airship (15)
- Companies (475)
- Event (141)
- Letters (683)
- Organizations (965)
- Patents (17515)
- Person (2105)
- Publications (24555)
- Techtypes (2370)
Patents > Year filed:
1891
& Granted:
Yes
& National tech categories:
USPC 244/153R
& IPCs:
IPC B64C31/00
& Cites these patents:
None
& Citations from after 1930:
2-4
& Number of text pages:
2
Use the filters below to narrow your results.
Showing below up to 1 result in range #1 to #1.