CA479825A - Safety crank device - Google Patents

Safety crank device

Info

Publication number
CA479825A
CA479825A CA479825A CA479825DA CA479825A CA 479825 A CA479825 A CA 479825A CA 479825 A CA479825 A CA 479825A CA 479825D A CA479825D A CA 479825DA CA 479825 A CA479825 A CA 479825A
Authority
CA
Canada
Prior art keywords
crank device
safety crank
safety
crank
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
CA479825A
Other languages
French (fr)
Inventor
L. Grove Stephen
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 CA479825A publication Critical patent/CA479825A/en
Expired legal-status Critical Current

Links

CA479825A Safety crank device Expired CA479825A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA479825T

Publications (1)

Publication Number Publication Date
CA479825A true CA479825A (en) 1952-01-01

Family

ID=35619499

Family Applications (1)

Application Number Title Priority Date Filing Date
CA479825A Expired CA479825A (en) Safety crank device

Country Status (1)

Country Link
CA (1) CA479825A (en)

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