AU167686B2 - Improvements in or relating to forming and fusing multifocal lens - Google Patents

Improvements in or relating to forming and fusing multifocal lens

Info

Publication number
AU167686B2
AU167686B2 AU24568/54A AU2456854A AU167686B2 AU 167686 B2 AU167686 B2 AU 167686B2 AU 24568/54 A AU24568/54 A AU 24568/54A AU 2456854 A AU2456854 A AU 2456854A AU 167686 B2 AU167686 B2 AU 167686B2
Authority
AU
Australia
Prior art keywords
fusing
relating
forming
multifocal lens
multifocal
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
AU24568/54A
Other versions
AU2456854A (en
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.)
PPG Industries Inc
Original Assignee
Pittsburgh Plate Glass Co
Filing date
Publication date
Application filed by Pittsburgh Plate Glass Co filed Critical Pittsburgh Plate Glass Co
Application granted granted Critical
Publication of AU2456854A publication Critical patent/AU2456854A/en
Publication of AU167686B2 publication Critical patent/AU167686B2/en
Expired legal-status Critical Current

Links

AU24568/54A 1954-01-22 Improvements in or relating to forming and fusing multifocal lens Expired AU167686B2 (en)

Publications (2)

Publication Number Publication Date
AU2456854A AU2456854A (en) 1954-03-25
AU167686B2 true AU167686B2 (en) 1954-03-25

Family

ID=

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