CH4426A - Unbreakable metal writing boards - Google Patents

Unbreakable metal writing boards

Info

Publication number: CH4426A
Authority: CH; Switzerland
Prior art keywords: writing boards; metal writing; unbreakable; unbreakable metal; boards
Prior art date: 1891-11-23

Application number

CH4426A

Other languages

German (de)

Inventor

H Reinhold

Original Assignee

H Reinhold

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1891-11-23

Filing date

1891-11-23

Publication date

1892-05-14

1891-11-23 Application filed by H Reinhold filed Critical H Reinhold

1892-05-14 Publication of CH4426A publication Critical patent/CH4426A/en

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH4426T		1891-11-23

Publications (1)

Publication Number	Publication Date
CH4426A true CH4426A (en)	1892-05-14

Family

ID=4187113

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH4426A CH4426A (en)	1891-11-23	1891-11-23	Unbreakable metal writing boards

Country Status (1)

Country	Link
CH (1)	CH4426A (en)

1891
- 1891-11-23 CH CH4426A patent/CH4426A/en unknown

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