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Inventor: Doerr; Norbert
Address: Griesheim, DE
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 7255438 |
Pad transfer printing method for making colored contact lenses |
August 14, 2007 |
| A method comprises the steps of (a) providing a water based ink in at least one cliche with a contact lens pattern; (b) transferring the water based ink from the cliche to at least a surface of at least a contact lens forming mold by means of at least a transfer pad; (c) at least par |
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