Modifiche

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

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

| brevetti vari ({{Cite patent|US|721549}}, {{Cite patent|US|750271}}, {{Cite patent|US|764227}}, {{Cite patent|GB|191129078}})

| 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}})

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| Huston Taylor || [[Aikin Lambert]]  

| Huston Taylor || [[Aikin Lambert]]