View source for Patent DE-1888-44700

=== Sources ===
* [[Lilienthal museum patents]] [http://worldwide.espacenet.com/publicationDetails/biblio?FT=D&CC=DE&NR=44700 espacenet]
* Inventor location:
{{Patent
|Year granted=1888
|Office=DE
|Patent number=44700
|Inventors=Otto Lilienthal
|Applicant is inventor=Yes
|Original title=Schraubensicherung mit am Rande auszubiegendem Mutterteller
|English title=Bolts with nut plates on the edge auszubiegendem (??)
|Filing date=January 14, 1888
|Grant date=October 3, 1888
|Granted=Yes
|Publication date=January 14, 1888
|Related to aircraft=No
|Family year=1888
|First filing=No
}}