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Largan’s products may be protected by one or more Largan patents. To see what Largan patents protect your Largan products, please enter your shipment barcode in the box above. This Virtual Patent Marking is effective for products with a shipment date of and/or after July 11, 2014. The patent numbers are listed based on the status as of its shipment date; therefore, the patent numbers listed may not be the latest patent status. For products with a shipment date prior to July 11, 2014, please refer to the packaging that came with the product for patent marking.
