Drilldown: Patents

Jump to navigation Jump to search
Patents > Office : ?? or AH or DE or IN or US or Other & Inventors: None & Tech fields : Propulsion or balloon & Granted: Yes & Patent agent: None

Use the filters below to narrow your results.

Office: (Click arrow to add another value)
Inventors: (Click arrow to add another value)
Inventor country:
Applicant firm:
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Granted: (Click arrow to add another value)
Related to aircraft:
Patent agent: (Click arrow to add another value)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

Showing below up to 47 results in range #1 to #47.

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

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