Drilldown: Patents

Jump to navigation Jump to search
Patents > Supplementary to patent: None & Number of diagram pages: 3-4 & Number of figures: 12-13

Use the filters below to narrow your results.

Office:
Inventors:
Edmund Sparmann (2) · De Bert Hartley (2)
Inventor country:
Applicant person:
None (5) · De Bert Hartley (2) · Edmund Sparmann (2)
Applicant is inventor:
Tech fields:
stability (13) · None (11) · airplane (11) · frame (7) · airship (6) · wings (6) · control (5) · propeller (5) · rudder (5) · LTA (5) · navigation (5) · automatic stability (5) · steering (4) · construction (4) · design (4) · propulsion (4) · hybrid (4) · biplane (4) · helicopter (3)
Full specification filed date:
Application number:
None (9)
Granted:
Publication date:
Supplementary to patent: (Click arrow to add another value)
Related to aircraft:
Patent agent:
None (11) · A. M. & William Clark (2) · Munn & Co. (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of diagram pages:
Number of figures:

Showing below up to 54 results in range #1 to #54.

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


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