CH78288A - Pen that sharpens itself when writing - Google Patents

Pen that sharpens itself when writing

Info

Publication number
CH78288A
CH78288A CH78288A CH78288DA CH78288A CH 78288 A CH78288 A CH 78288A CH 78288 A CH78288 A CH 78288A CH 78288D A CH78288D A CH 78288DA CH 78288 A CH78288 A CH 78288A
Authority
CH
Switzerland
Prior art keywords
pen
writing
sharpens
itself
sharpens itself
Prior art date
Application number
CH78288A
Other languages
German (de)
Inventor
Friedrich Wiedmer Jakob
Original Assignee
Friedrich Wiedmer Jakob
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.)
Filing date
Publication date
Application filed by Friedrich Wiedmer Jakob filed Critical Friedrich Wiedmer Jakob
Publication of CH78288A publication Critical patent/CH78288A/en

Links

CH78288A 1917-11-20 1917-11-20 Pen that sharpens itself when writing CH78288A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH78288T 1917-11-20

Publications (1)

Publication Number Publication Date
CH78288A true CH78288A (en) 1918-07-01

Family

ID=4331056

Family Applications (1)

Application Number Title Priority Date Filing Date
CH78288A CH78288A (en) 1917-11-20 1917-11-20 Pen that sharpens itself when writing

Country Status (1)

Country Link
CH (1) CH78288A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5893671A (en) * 1997-02-24 1999-04-13 Bellue; John W. Ergonomic writing instrument
US6179502B1 (en) * 1999-02-10 2001-01-30 Dixon Ticonderoga Company Writing instrument with locking core

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5893671A (en) * 1997-02-24 1999-04-13 Bellue; John W. Ergonomic writing instrument
US6179502B1 (en) * 1999-02-10 2001-01-30 Dixon Ticonderoga Company Writing instrument with locking core

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