CA430581A - Lens comparing device - Google Patents

Lens comparing device

Info

Publication number
CA430581A
CA430581A CA430581A CA430581DA CA430581A CA 430581 A CA430581 A CA 430581A CA 430581 A CA430581 A CA 430581A CA 430581D A CA430581D A CA 430581DA CA 430581 A CA430581 A CA 430581A
Authority
CA
Canada
Prior art keywords
comparing device
lens
lens comparing
comparing
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
CA430581A
Other languages
French (fr)
Inventor
Robert Vent Bruce
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.)
TEMP-R-LENS Corp
Original Assignee
TEMP-R-LENS Corp
Publication date
Application granted granted Critical
Publication of CA430581A publication Critical patent/CA430581A/en
Expired legal-status Critical Current

Links

CA430581A Lens comparing device Expired CA430581A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA430581T

Publications (1)

Publication Number Publication Date
CA430581A true CA430581A (en) 1945-10-09

Family

ID=35545606

Family Applications (1)

Application Number Title Priority Date Filing Date
CA430581A Expired CA430581A (en) Lens comparing device

Country Status (1)

Country Link
CA (1) CA430581A (en)

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