1
Dee Lynn Johnson: Method for the alteration of a lens and an adhesive lens blocking pad used therein. Minnesota Mining and Manufacturing Company, Alexander Sell Steldt & DeLaHunt, June 15, 1976: US03962833 (44 worldwide citation)

A method for altering a lens whereby a lens is securely bonded to a lens block by a lens adhesive blocking pad having means for accurately aligning the optical center, and optionally the cylinder axis, of the lens with the center point and cylinder axis of the lens block. The invention also includes ...


2
Method for the alteration of a lens and an adhesive lens blocking pad used therein. Minnesota Mining & Mfg, October 29, 1976: FR2306045-A1

A method for altering a lens whereby a lens is securely bonded to a lens block by a lens adhesive blocking pad having means for accurately aligning the optical center, and optionally the cylinder axis, of the lens with the center point and cylinder axis of the lens block. The invention also includes ...


3
TOOLS FOR LENS PROCESSING. May 11, 2017: US20170129068-A1

A lens processing system used for removing a lens blank (98, 110) from an edging block (40). The system includes an elongated collet (22) that engages the mating edging block (40). The block (40) includes an enlarged groove (41) that receives a pair of blades (65, 66) extended upwardly from the floo ...