Modifiche

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| August Eberstein || [[Boston Pen Company]], [[Moore]], [[Montblanc]], [[Summit]]  

| August Eberstein || [[Boston Pen Company]], [[Moore]], [[Montblanc]], [[Summit]]  

| brevetti vari ({{FPO Patent|721549}}, {{Cite patent|US|750271}}, {{Cite patent|US|764227}}, {{Cite patent|FR|379615}}, {{Cite patent|GB|190713900}},  {{Cite patent|GB|191129078}}) [http://kamakurapens.invisionzone.com/index.php?showtopic=1812], [http://www.fountainpennetwork.com/forum/index.php?/topic/22944-lang-pen-company-liverpool/]

| brevetti vari ({{Cite patent|US|721549}}, {{Cite patent|US|750271}}, {{Cite patent|US|764227}}, {{Cite patent|FR|379615}}, {{Cite patent|GB|190713900}},  {{Cite patent|GB|191129078}}) [http://kamakurapens.invisionzone.com/index.php?showtopic=1812], [http://www.fountainpennetwork.com/forum/index.php?/topic/22944-lang-pen-company-liverpool/]

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| William I. Ferris || [[Waterman]]

| William I. Ferris || [[Waterman]]