Drilldown: Patents

Jump to navigation Jump to search
Patents > Grant date: July 1909 & Number of diagram pages: 1

Use the filters below to narrow your results.

Year filed:
(There are no values for this filter)
Year granted:
Office:
Inventors:
None (3) · Emanuel Spreekmeester (2)
Inventor country:
Applicant person:
None (4) · Emanuel Spreekmeester (2)
Applicant type:
Applicant is inventor:
Tech fields:
Propulsion (11) · navigation (10) · Airplane (10) · Design (9) · LTA (9) · Control (5) · Hybrid (5) · stability (5) · frame (4) · Airship (4) · Aerodynamics (4) · Propellers (3) · flapping (3) · Subsystem (3) · Helicopter (3) · Sustentation (3) · None (3) · Wings (3) · Ascension (3)
Full specification filed date:
Granted:
Related to aircraft:
Assigned to:
Family year:
First filing:
Citations from after 1930:
Number of text pages:
Number of claims:
Number of diagram pages:

Showing below up to 41 results in range #1 to #41.

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


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