Modifiche

Riga 84: Riga 84:  
| William F. Heising || [[Sheaffer]]
 
| William F. Heising || [[Sheaffer]]
 
|  
 
|  
 +
|-
 +
| William R. Cuthbert  || [[Sheaffer]]
 +
| Brevetti su penne, pencil e altro
 
|-
 
|-
 
| Charles R. Keeran || [[Wahl Eversharp]]  
 
| Charles R. Keeran || [[Wahl Eversharp]]