File:Patent-US-1381856.pdf

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Original file(1,159 × 1,704 pixels, file size: 225 KB, MIME type: application/pdf, 5 pages)
Inventor

Archer Aston

Assignee

L. E. Waterman Company

Country

US

Application N°

442468

Application Date

1921-02-04

Patent N°

1381856

Brevettato

1921-06-14

Priorità

1921-02-04

Brand

Waterman

Title

Mechanically-operated advertising device

Description

Dimostratore caricamento a levetta

Riferimenti esterni

Informazioni

Brevetto per un macchinario dimostrativo del funzionamento del caricamento a levetta.

File history

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Date/TimeThumbnailDimensionsUserComment
current13:40, 28 July 2012Thumbnail for version as of 13:40, 28 July 20121,159 × 1,704, 5 pages (225 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Archer Aston |Assignee=L. E. Waterman Company |Country=US |ApplicationNum=442468 |ApplicationDate=1921-02-04 |PatentNum=1381856 |PatentDate=1921-06-14 |PriorityDate=1921-02-04 |Titolo=Mechanically-operated advertising device |Mar...
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关于“Patent-US-1381856.pdf”的事实
Application date1921年2月4日 (五) +
Application number442468 +
Assigned toL. E. Waterman Company +
Invented byArcher Aston +
Patent date1921年6月14日 (二) +
Patent descriptionDimostratore caricamento a levetta +
Patent number1381856 +
Patent titleMechanically-operated advertising device +
Patented byWaterman +
Patented inUS +
Priority date1921年2月4日 (五) +