CA619968A - Pressure-operated pen - Google Patents

Pressure-operated pen

Info

Publication number
CA619968A
CA619968A CA619968A CA619968DA CA619968A CA 619968 A CA619968 A CA 619968A CA 619968 A CA619968 A CA 619968A CA 619968D A CA619968D A CA 619968DA CA 619968 A CA619968 A CA 619968A
Authority
CA
Canada
Prior art keywords
pressure
operated pen
pen
operated
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
CA619968A
Inventor
A. Welch George
E. Dodd Ernest
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.)
Honeywell Inc
Original Assignee
Minneapolis Honeywell Regulator Co
Publication date
Application granted granted Critical
Publication of CA619968A publication Critical patent/CA619968A/en
Expired legal-status Critical Current

Links

CA619968A Pressure-operated pen Expired CA619968A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA619968T

Publications (1)

Publication Number Publication Date
CA619968A true CA619968A (en) 1961-05-09

Family

ID=35862250

Family Applications (1)

Application Number Title Priority Date Filing Date
CA619968A Expired CA619968A (en) Pressure-operated pen

Country Status (1)

Country Link
CA (1) CA619968A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3185991A (en) * 1961-02-02 1965-05-25 Victor Comptometer Corp Ink supply system for recording apparatus
US3950762A (en) * 1974-06-18 1976-04-13 Koh-I-Noor Rapidograph, Inc. Drawing method and drawing instrument

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3185991A (en) * 1961-02-02 1965-05-25 Victor Comptometer Corp Ink supply system for recording apparatus
US3950762A (en) * 1974-06-18 1976-04-13 Koh-I-Noor Rapidograph, Inc. Drawing method and drawing instrument

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