CA478583A - Methodes de fabrication de pointes a ecrire a bille - Google Patents

Methodes de fabrication de pointes a ecrire a bille

Info

Publication number
CA478583A
CA478583A CA478583A CA478583DA CA478583A CA 478583 A CA478583 A CA 478583A CA 478583 A CA478583 A CA 478583A CA 478583D A CA478583D A CA 478583DA CA 478583 A CA478583 A CA 478583A
Authority
CA
Canada
Prior art keywords
methods
type writing
making ball
writing tips
tips
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA478583A
Other languages
English (en)
Inventor
Knobel Max
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WA Sheaffer Pen Co
Original Assignee
WA Sheaffer Pen Co
Publication date
Application granted granted Critical
Publication of CA478583A publication Critical patent/CA478583A/fr
Expired legal-status Critical Current

Links

CA478583A Methodes de fabrication de pointes a ecrire a bille Expired CA478583A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA478583T

Publications (1)

Publication Number Publication Date
CA478583A true CA478583A (fr) 1951-11-13

Family

ID=35618241

Family Applications (1)

Application Number Title Priority Date Filing Date
CA478583A Expired CA478583A (fr) Methodes de fabrication de pointes a ecrire a bille

Country Status (1)

Country Link
CA (1) CA478583A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3463106A (en) * 1966-05-31 1969-08-26 Real Patentauswertungs Anstalt Method for the finishing of rough points for ball point pens

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3463106A (en) * 1966-05-31 1969-08-26 Real Patentauswertungs Anstalt Method for the finishing of rough points for ball point pens

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