Suchergebnisse für: Beeton, Henry Ramie
- Patent:CA140530 21.05.1912 Barr, Mark (P); Bell, Robert Arthur (P); Beeton, Henry Ramie (P) : Calculating machine
- Patent:CH58239 17.03.1913 Barr, Mark (P); Bell, Robert Arthur (P); Beeton, Henry Ramie (P) : Rechenmaschine
- Patent:DE320761 25.10.1911 Barr, Mark (P); Bell, Robert Arthur (P) ; Beeton, Henry Ramie (P) : Rechenmaschine, insbesondere zum Multiplizieren
- Patent:GB191025018 27.10.1911 Barr, Mark (P) und Beeton, Henry Ramie (P) und Bell, Robert (P) : Improvements in and relating to Calculating Machines
- Patent:US1272889 16.07.1918 Barr, Mark (P); Bell, Robert Arthur (P); Beeton, Henry Ramie (P) : Calculating machine