BR8103712A - IMPROVEMENT IN MARKING PEN OF RECORDING INSTRUMENT - Google Patents

IMPROVEMENT IN MARKING PEN OF RECORDING INSTRUMENT

Info

Publication number
BR8103712A
BR8103712A BR8103712A BR8103712A BR8103712A BR 8103712 A BR8103712 A BR 8103712A BR 8103712 A BR8103712 A BR 8103712A BR 8103712 A BR8103712 A BR 8103712A BR 8103712 A BR8103712 A BR 8103712A
Authority
BR
Brazil
Prior art keywords
improvement
marking pen
recording instrument
instrument
recording
Prior art date
Application number
BR8103712A
Other languages
Portuguese (pt)
Inventor
G Sarkisian
J Pelensky
Original Assignee
Graphic Controls Corp
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
Priority claimed from US06/262,978 external-priority patent/US4432047A/en
Application filed by Graphic Controls Corp filed Critical Graphic Controls Corp
Publication of BR8103712A publication Critical patent/BR8103712A/en

Links

BR8103712A 1980-06-16 1981-06-11 IMPROVEMENT IN MARKING PEN OF RECORDING INSTRUMENT BR8103712A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15960080A 1980-06-16 1980-06-16
US06/262,978 US4432047A (en) 1980-05-16 1981-05-12 Sequence control apparatus

Publications (1)

Publication Number Publication Date
BR8103712A true BR8103712A (en) 1982-03-02

Family

ID=26856110

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8103712A BR8103712A (en) 1980-06-16 1981-06-11 IMPROVEMENT IN MARKING PEN OF RECORDING INSTRUMENT

Country Status (1)

Country Link
BR (1) BR8103712A (en)

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