Drilldown: Patents
Jump to navigation
Jump to search
Choose a table:
- Airplane (18)
- Airship (15)
- Companies (480)
- Event (141)
- Letters (683)
- Organizations (967)
- Patents (17619)
- Person (2162)
- Publications (24571)
- Techtypes (2388)
Patents > Office :
AH or
DE or
GR or
UN
& Supplementary to patent:
None
& National tech categories:
DE 77
& CPCs :
CPC B64C23/005 or
CPC B64C2700/6235 or
CPC B64C2700/6295 or
None
& Family year:
1891
Use the filters below to narrow your results.
Showing below up to 1 result in range #1 to #1.