Patent DE-1912-266557

From Inventing aviation
Jump to navigation Jump to search


Year filed 1912
Year granted 1913
Office DE
Patent number 266557
Inventors Jacob H Ellehammer, Niels Waltersen Aasen
Inventor country
Applicant person
Applicant firm
Applicant type
Applicant is inventor? Yes
Original title Schraubenflieger
English title Screw drivers
Tech fields
Filing date March 2, 1912
Full specification filed date
Application number
Grant date February 14, 1913
Granted? Yes
Publication date
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent
Assigned to
National tech categories
IPCs
CPCs
Family year 1912
First filing? Yes
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages
Number of diagram pages
Number of figures
Number of claims

Lilienthal Museum record: http://lilienthal-museum.museumnet.eu/archiv/objekt/3279

Inventor's location: Frederiksberg Dänemark