B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
18/104
B29D 11/00 (2006.01) B29C 33/00 (2006.01) B29C 33/68 (2006.01) B29C 67/00 (2006.01) B29C 43/00 (2006.01)
Patent
CA 1241513
ABSTRACT OF THE DISCLOSURE Finished and semi-finished ophthalmic lenses are made by polymerizing, the monomer while it is sealed in an oxygen-impermeable envelope.
473317
Petcen Donald H.
Sinclair Robert I.
Coburn Optical Industries Inc.
Mcfadden Fincham
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