Drilldown: Patents

Jump to navigation Jump to search
Patents > Patent agent: H. Bœttcher fils & National tech categories : FR 6.4 or USPC 244/52

Use the filters below to narrow your results.

Year filed:
Year granted:
Office:
Inventor country:
Applicant firm:
Applicant type:
Applicant is inventor:
Tech fields:
airplane (10) · stability (9) · safety (7) · design (6) · propellers (5) · construction (5) · navigation (5) · LTA (4) · military (4) · frame (4) · motors (3) · flapping (3) · parachutes (3) · piloting (3) · None (3) · hybrid (3) · rescue (3) · balloon (3) · automatic stability (3) · whole (3)
Filing date:
Full specification filed date:
Grant date:
Granted:
Publication date:
Related to aircraft:
Patent agent: (Click arrow to add another value)
Assigned to:
National tech categories: (Click arrow to add another value)
Family year:
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

Showing below up to 36 results in range #1 to #36.

View (previous 250 | next 250) (20 | 50 | 100 | 250 | 500)


View (previous 250 | next 250) (20 | 50 | 100 | 250 | 500)