Drilldown: Patents
Jump to navigation
Jump to search
Choose a table:
- Airplane (18)
- Airship (15)
- Companies (480)
- Event (141)
- Letters (683)
- Organizations (966)
- Patents (17614)
- Person (2138)
- Publications (24569)
- Techtypes (2381)
Patents > Year filed:
1900 - 1999
& Applicant firm:
None
& Full specification filed date:
December 31, 1969
& Application number:
propeller
& Supplementary to patent :
1 or
1911-05-09 or
Patent AT-1911-57225 or
Patent DE-1895-98580 or
Patent GB-1909-8531 or
Patent HU-1901-24148 or
Patent US-1909-970771
Use the filters below to narrow your results.
Showing below up to 1 result in range #1 to #1.