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CA530408A - Magnetic bi-focal lens holder - Google Patents

Magnetic bi-focal lens holder

Info

Publication number
CA530408A
CA530408A CA530408A CA530408DA CA530408A CA 530408 A CA530408 A CA 530408A CA 530408 A CA530408 A CA 530408A CA 530408D A CA530408D A CA 530408DA CA 530408 A CA530408 A CA 530408A
Authority
CA
Canada
Prior art keywords
magnetic
lens holder
focal lens
focal
holder
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
CA530408A
Other languages
French (fr)
Inventor
Tesauro Nicholas
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 CA530408A publication Critical patent/CA530408A/en
Expired legal-status Critical Current

Links

CA530408A Magnetic bi-focal lens holder Expired CA530408A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA530408T

Publications (1)

Publication Number Publication Date
CA530408A true CA530408A (en) 1956-09-18

Family

ID=35684162

Family Applications (1)

Application Number Title Priority Date Filing Date
CA530408A Expired CA530408A (en) Magnetic bi-focal lens holder

Country Status (1)

Country Link
CA (1) CA530408A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4761196A (en) * 1987-01-02 1988-08-02 Brown Hugh L Method for overcoming optical deficiencies of shooters

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4761196A (en) * 1987-01-02 1988-08-02 Brown Hugh L Method for overcoming optical deficiencies of shooters

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