Patents edit

  • U.S. patent 261,958
  • U.S. patent 260,328
  • U.S. patent 258,483
  • U.S. patent 260,244
  • U.S. patent 353,825
  • http://books.google.de/books?id=YttJAAAAYAAJ&. {{cite book}}: Missing or empty |title= (help)
  • http://books.google.de/books?id=hQhoAAAAMAAJ&q=Scheibler+bismarck&. {{cite book}}: Missing or empty |title= (help)