Patents Assigned to Knetik, Lda.
  • Polishing piece for ophthalmic lenses
    Patent number: D831218
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: October 16, 2018
    Assignee: Knetik, Lda.
    Inventor: José´ Miguel Oliveira da Costa
  • Ophthalmic lens polishing base
    Patent number: D836348
    Type: Grant
    Filed: February 9, 2016
    Date of Patent: December 25, 2018
    Assignee: KNETIK, LDA
    Inventor: José Miguel Oliveira da costa