CA497706A - Selectively operated rotary drum file - Google Patents

Selectively operated rotary drum file

Info

Publication number
CA497706A
CA497706A CA497706A CA497706DA CA497706A CA 497706 A CA497706 A CA 497706A CA 497706 A CA497706 A CA 497706A CA 497706D A CA497706D A CA 497706DA CA 497706 A CA497706 A CA 497706A
Authority
CA
Canada
Prior art keywords
rotary drum
selectively operated
operated rotary
file
drum file
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
CA497706A
Other languages
French (fr)
Inventor
E. Attwood Charles
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.)
Acme Visible Records Inc
Original Assignee
Acme Visible Records Inc
Publication date
Application granted granted Critical
Publication of CA497706A publication Critical patent/CA497706A/en
Expired legal-status Critical Current

Links

CA497706A Selectively operated rotary drum file Expired CA497706A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA497706T

Publications (1)

Publication Number Publication Date
CA497706A true CA497706A (en) 1953-11-17

Family

ID=35643141

Family Applications (1)

Application Number Title Priority Date Filing Date
CA497706A Expired CA497706A (en) Selectively operated rotary drum file

Country Status (1)

Country Link
CA (1) CA497706A (en)

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