Drilldown: Patents

Jump to navigation Jump to search
Patents > Office : CL or GB or US & National tech categories : USPC 244/89 or USPC 244/90R & CPCs : CPC B64C13/00 or CPC B64C3/00 or CPC B64C39/005

Use the filters below to narrow your results.

Year granted:
Office: (Click arrow to add another value)
Inventors:
Alexander Graham Bell (2)
Inventor country:
Applicant person:
None (3)
Applicant is inventor:
Full specification filed date:
Granted:
Publication date:
Supplementary to patent:
Related to aircraft:
National tech categories: (Click arrow to add another value)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

Showing below up to 39 results in range #1 to #39.

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

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