Patent US-1915-1143894

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Year filed
Year granted 1915
Office US
Patent number 1143894
Inventors Bronislaw DROZINSKI
Inventor country US
Applicant person DROZINSKI BRONISLAW
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title
English title
Tech fields
Filing date 1915-02-23
Full specification filed date
Application number 1001015
Grant date '1915-06-22
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent
Assigned to
National tech categories 244/49
IPCs
CPCs B64C25/50
Family year 1915
First filing? 1
Cites these patents
Citations from after 1930
Application ID 47718169
INPADOC family ID 43013224
Number of text pages
Number of diagram pages
Number of figures
Number of claims