For the compilation of the list have been an invaluable aid articles and instructions written by Antonios Zavaliangos on [http://www.fountainpennetwork.com/ FPN] (like those im http://www.fountainpennetwork.com/forum/index.php?/topic/10335-parker-patents/ this topic]) which have been a starting point for further research. | For the compilation of the list have been an invaluable aid articles and instructions written by Antonios Zavaliangos on [http://www.fountainpennetwork.com/ FPN] (like those im http://www.fountainpennetwork.com/forum/index.php?/topic/10335-parker-patents/ this topic]) which have been a starting point for further research. |