Inventor A-Z
OBERHOFFER
Paul
(1882 - 1927)Sainte Marie aux Mines (FR)
ODHNER
Willgodt
(1845 - 1905)Sweden (SE)
OPDERBECK
Emil
(1881 - )Haldern (DE)
OPPENHEIM
Bernard
(1863 - 1942)Luxembourg-city
OQ Technolgy
(2016 - )Wasserbillig
OSANN
Friedrich
(1838 - 1909)Zellerfeld (DE)
OSCH
Ernest
(1925 - 1998)Vianden
OTTO
Nicolaus August
(1832 - 1891)Holzhausen (DE)