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Laser welding plastic segments
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Patent number 12,109,763
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Issue date Oct 8, 2024
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Canon Virginia, Inc.
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Joel C. Johnson
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Low oxygen molding of soft contact lenses
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Patent number 5,753,150
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Issue date May 19, 1998
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Johnson & Johnson Vision Products, Inc.
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Wallace Anthony Martin
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3789100
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Patent number 3,789,100
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Issue date Jan 29, 1974
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3760055
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Issue date Sep 18, 1973
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3639507
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Patent number 3,639,507
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Issue date Feb 1, 1972
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Issue date Sep 9, 1969
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL