CA92187A - Instrument for centering, marking and testing lenses - Google Patents

Instrument for centering, marking and testing lenses

Info

Publication number
CA92187A
CA92187A CA92187DA CA92187A CA 92187 A CA92187 A CA 92187A CA 92187D A CA92187D A CA 92187DA CA 92187 A CA92187 A CA 92187A
Authority
CA
Canada
Prior art keywords
centering
marking
instrument
testing lenses
lenses
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
Other languages
French (fr)
Inventor
Chauncey Winfield Howland
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.)
STANDARD OPTICAL Co
Original Assignee
STANDARD OPTICAL Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by STANDARD OPTICAL Co filed Critical STANDARD OPTICAL Co
Application granted granted Critical
Publication of CA92187A publication Critical patent/CA92187A/en
Expired legal-status Critical Current

Links

CA92187D 1904-12-19 1904-12-19 Instrument for centering, marking and testing lenses Expired CA92187A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA92187T 1904-12-19

Publications (1)

Publication Number Publication Date
CA92187A true CA92187A (en) 1905-03-21

Family

ID=45208722

Family Applications (1)

Application Number Title Priority Date Filing Date
CA92187D Expired CA92187A (en) 1904-12-19 1904-12-19 Instrument for centering, marking and testing lenses

Country Status (1)

Country Link
CA (1) CA92187A (en)

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