CA293442A - Duplex screw driver - Google Patents

Duplex screw driver

Info

Publication number
CA293442A
CA293442A CA293442A CA293442DA CA293442A CA 293442 A CA293442 A CA 293442A CA 293442 A CA293442 A CA 293442A CA 293442D A CA293442D A CA 293442DA CA 293442 A CA293442 A CA 293442A
Authority
CA
Canada
Prior art keywords
screw driver
duplex screw
duplex
driver
screw
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
CA293442A
Other languages
French (fr)
Inventor
E. Borklund Peter
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 CA293442A publication Critical patent/CA293442A/en
Expired legal-status Critical Current

Links

CA293442A Duplex screw driver Expired CA293442A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA293442T

Publications (1)

Publication Number Publication Date
CA293442A true CA293442A (en) 1929-10-01

Family

ID=35230761

Family Applications (1)

Application Number Title Priority Date Filing Date
CA293442A Expired CA293442A (en) Duplex screw driver

Country Status (1)

Country Link
CA (1) CA293442A (en)

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