CA490128A - Roller chart - Google Patents

Roller chart

Info

Publication number
CA490128A
CA490128A CA490128A CA490128DA CA490128A CA 490128 A CA490128 A CA 490128A CA 490128 A CA490128 A CA 490128A CA 490128D A CA490128D A CA 490128DA CA 490128 A CA490128 A CA 490128A
Authority
CA
Canada
Prior art keywords
chart
roller
roller chart
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
CA490128A
Other languages
French (fr)
Inventor
E. Foster Melville
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA490128A publication Critical patent/CA490128A/en
Expired legal-status Critical Current

Links

CA490128A Roller chart Expired CA490128A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA490128T

Publications (1)

Publication Number Publication Date
CA490128A true CA490128A (en) 1953-02-03

Family

ID=35629857

Family Applications (1)

Application Number Title Priority Date Filing Date
CA490128A Expired CA490128A (en) Roller chart

Country Status (1)

Country Link
CA (1) CA490128A (en)

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