Drilldown: Patents
Jump to navigation
Jump to search
Choose a table:
- Airplane (18)
- Airship (15)
- Companies (475)
- Event (141)
- Letters (683)
- Organizations (964)
- Patents (17547)
- Person (2112)
- Publications (24562)
- Techtypes (2373)
Patents > Inventor country:
NL
& Applicant firm :
British and Colonial Aeroplane Co. or
Naamloze Vennootschap Briquet Company (Briket Maatschappij) or
Siemens-Schuckert Werke GmbH or
Société anonyme Astra AB or
Sperry Gyroscope Company
& IPCs :
IPC B64C33/00 or
IPC F41A17/48
& Citations from after 1930:
None
Use the filters below to narrow your results.
Showing below up to 1 result in range #1 to #1.