CA225384A - Machine for making lens grinding tools - Google Patents

Machine for making lens grinding tools

Info

Publication number
CA225384A
CA225384A CA225384A CA225384DA CA225384A CA 225384 A CA225384 A CA 225384A CA 225384 A CA225384 A CA 225384A CA 225384D A CA225384D A CA 225384DA CA 225384 A CA225384 A CA 225384A
Authority
CA
Canada
Prior art keywords
machine
grinding tools
lens grinding
making lens
making
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
CA225384A
Other languages
French (fr)
Inventor
W. Conner Charles
Harvey Pearson John
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.)
ONEPIECE BIFOCAL LENS Co
Original Assignee
ONEPIECE BIFOCAL LENS Co
Publication date
Application granted granted Critical
Publication of CA225384A publication Critical patent/CA225384A/en
Expired legal-status Critical Current

Links

CA225384A Machine for making lens grinding tools Expired CA225384A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA225384T

Publications (1)

Publication Number Publication Date
CA225384A true CA225384A (en) 1922-10-31

Family

ID=35120987

Family Applications (1)

Application Number Title Priority Date Filing Date
CA225384A Expired CA225384A (en) Machine for making lens grinding tools

Country Status (1)

Country Link
CA (1) CA225384A (en)

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