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CA623542A - Ruler constructions - Google Patents

Ruler constructions

Info

Publication number
CA623542A
CA623542A CA623542A CA623542DA CA623542A CA 623542 A CA623542 A CA 623542A CA 623542 A CA623542 A CA 623542A CA 623542D A CA623542D A CA 623542DA CA 623542 A CA623542 A CA 623542A
Authority
CA
Canada
Prior art keywords
ruler
constructions
ruler constructions
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
CA623542A
Inventor
O. Carlson Frederick
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.)
HK Porter Co Inc
Original Assignee
Frederick O Carlson
HK Porter Co Inc
Publication date
Application granted granted Critical
Publication of CA623542A publication Critical patent/CA623542A/en
Expired legal-status Critical Current

Links

CA623542A Ruler constructions Expired CA623542A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA623542T

Publications (1)

Publication Number Publication Date
CA623542A true CA623542A (en) 1961-07-11

Family

ID=35878721

Family Applications (1)

Application Number Title Priority Date Filing Date
CA623542A Expired CA623542A (en) Ruler constructions

Country Status (1)

Country Link
CA (1) CA623542A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989011401A1 (en) * 1988-05-24 1989-11-30 Oshiro Gary T Base point anchor
US4972600A (en) * 1986-11-06 1990-11-27 Keson Industries, Inc. Tape measure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4972600A (en) * 1986-11-06 1990-11-27 Keson Industries, Inc. Tape measure
WO1989011401A1 (en) * 1988-05-24 1989-11-30 Oshiro Gary T Base point anchor
US4976041A (en) * 1988-05-24 1990-12-11 Oshiro Gary T Base-point anchor

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