Patent ??-1849-ad

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Year filed
Year granted 1849
Office ??
Patent number ad
Inventors Smyth
Inventor country
Applicant person
Applicant firm
Applicant type
Applicant is inventor? 1
Original title Fesselhubschrauber
English title Fesselhubschrauber
Tech fields
Filing date
Full specification filed date
Application number
Grant date
Granted? 0
Publication date
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent
Assigned to
National tech categories
Family year 1849
First filing?
Cites these patents
Citations from after 1930
Application ID
Number of text pages
Number of diagram pages
Number of figures
Number of claims