Drilldown: Patents
Jump to navigation
Jump to search
Choose a table:
- Airplane (18)
- Airship (15)
- Companies (475)
- Event (141)
- Letters (683)
- Organizations (965)
- Patents (17491)
- Person (2094)
- Publications (24551)
- Techtypes (2366)
Patents > Office:
US
& Filing date:
1850 - 1859
& National tech categories:
USPC 244/30
& Number of claims:
3-4 ![](/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.
balloon (1) ·
brakes (1) ·
car (1) ·
LTA (1) ·
marine (1) ·
navigation (1) ·
propeller (1) ·
propulsion (1) ·
safety (1)
Showing below up to 1 result in range #1 to #1.