FR766942A - Perfectionnements aux diagraphes - Google Patents

Perfectionnements aux diagraphes

Info

Publication number
FR766942A
FR766942A FR766942DA FR766942A FR 766942 A FR766942 A FR 766942A FR 766942D A FR766942D A FR 766942DA FR 766942 A FR766942 A FR 766942A
Authority
FR
France
Prior art keywords
logging
logging improvements
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
Other languages
English (en)
French (fr)
Inventor
Walter Allan Bockius
Howard Beran Jones
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 filed Critical
Application granted granted Critical
Publication of FR766942A publication Critical patent/FR766942A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L11/00—Non-circular-curve-drawing instruments
FR766942D 1933-01-16 1934-01-13 Perfectionnements aux diagraphes Expired FR766942A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US418554XA 1933-01-16 1933-01-16

Publications (1)

Publication Number Publication Date
FR766942A true FR766942A (fr) 1934-07-06

Family

ID=21918702

Family Applications (1)

Application Number Title Priority Date Filing Date
FR766942D Expired FR766942A (fr) 1933-01-16 1934-01-13 Perfectionnements aux diagraphes

Country Status (3)

Country Link
DE (1) DE613815C (de)
FR (1) FR766942A (de)
GB (1) GB418554A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2720704A (en) * 1952-12-15 1955-10-18 Robert K Mcberty Toy
NL128931C (de) * 1963-07-25
US3298104A (en) * 1965-10-23 1967-01-17 Smith Dan Vernon Geometric design instrument
GB8727325D0 (en) * 1987-11-21 1987-12-23 Powell R J Harmonic pattern generator

Also Published As

Publication number Publication date
DE613815C (de) 1935-06-15
GB418554A (en) 1934-10-26

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