Drilldown: Patents
Jump to navigation
Jump to search
Choose a table:
- Airplane (18)
- Airship (15)
- Companies (481)
- Event (141)
- Letters (683)
- Organizations (969)
- Patents (17649)
- Person (2204)
- Publications (24578)
- Techtypes (2418)
Patents > Inventor country:
US
& National tech categories:
USPC 244/28
& Family year:
1800 - 1899
& Number of text pages:
2-3
Use the filters below to narrow your results.
balloon (1) ·
car (4) ·
flapping (7) ·
frame (3) ·
glider (1) ·
landing (1) ·
LTA (7) ·
machine (1) ·
marine (1) ·
propeller (2) ·
propulsion (4) ·
rudder (2) ·
sail (1)
Showing below up to 7 results in range #1 to #7.