Open main menu

FountainPen β

File:Patent-US-1251421.pdf

Go to page


Original file(1,159 × 1,704 pixels, file size: 165 KB, MIME type: application/pdf, 3 pages)
Inventor

Felix Riesenberg

Assignee

Maud C. Riesenberg

Country

US

Application N°

64055

Application Date

1915-11-29

Patent N°

1251421

Brevettato

1917-12-25

Priorità

1915-11-29

Brand

Unbranded

Title

Fountain-pen filler

Description

Sistema di caricamento

Riferimenti esterni

Informazioni

Brevetto per una variante di caricamento a levetta, detta split lever. Esiste un legame con la Swan in quanto altri brevetti di Felix Riesenberg sono assegnati a Herbert L. Carman, che è stato vicepresidente della Swan americana e con la Waterman a cui sono assegnati altri brevetti.

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current00:05, 23 August 2013Thumbnail for version as of 00:05, 23 August 20131,159 × 1,704, 3 pages (165 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Felix Riesenberg |Assignee=Maud C. Riesenberg |Country=US |ApplicationNum=64055 |ApplicationDate=1915-11-29 |PatentNum=1251421 |PatentDate=1917-12-25 |PriorityDate=1915-11-29 |Titolo=Fountain-pen filler |Marca=Unbranded |Descrizi...
  • You cannot overwrite this file.

There are no pages that link to this file.

Metadata