CA880416A - Student-responder apparatus - Google Patents

Student-responder apparatus

Info

Publication number
CA880416A
CA880416A CA880416A CA880416DA CA880416A CA 880416 A CA880416 A CA 880416A CA 880416 A CA880416 A CA 880416A CA 880416D A CA880416D A CA 880416DA CA 880416 A CA880416 A CA 880416A
Authority
CA
Canada
Prior art keywords
student
responder apparatus
responder
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
CA880416A
Inventor
E. Frank Wallace
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.)
RESPONSE SYSTEMS CORP
Original Assignee
RESPONSE SYSTEMS CORP
Publication date
Application granted granted Critical
Publication of CA880416A publication Critical patent/CA880416A/en
Expired legal-status Critical Current

Links

CA880416A Student-responder apparatus Expired CA880416A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA880416T

Publications (1)

Publication Number Publication Date
CA880416A true CA880416A (en) 1971-09-07

Family

ID=36366210

Family Applications (1)

Application Number Title Priority Date Filing Date
CA880416A Expired CA880416A (en) Student-responder apparatus

Country Status (1)

Country Link
CA (1) CA880416A (en)

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