CA84274A - Means of making bifocal optical lenses - Google Patents

Means of making bifocal optical lenses

Info

Publication number
CA84274A
CA84274A CA000084274A CA84274DA CA84274A CA 84274 A CA84274 A CA 84274A CA 000084274 A CA000084274 A CA 000084274A CA 84274D A CA84274D A CA 84274DA CA 84274 A CA84274 A CA 84274A
Authority
CA
Canada
Prior art keywords
optical lenses
bifocal optical
making bifocal
making
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
CA000084274A
Other languages
French (fr)
Inventor
Theodore Mundorff
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
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA84274A publication Critical patent/CA84274A/en
Expired legal-status Critical Current

Links

CA000084274A 1903-06-19 1903-06-19 Means of making bifocal optical lenses Expired CA84274A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA84274T 1903-06-19

Publications (1)

Publication Number Publication Date
CA84274A true CA84274A (en) 1903-12-08

Family

ID=45200810

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000084274A Expired CA84274A (en) 1903-06-19 1903-06-19 Means of making bifocal optical lenses

Country Status (1)

Country Link
CA (1) CA84274A (en)

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