IP Library › Granted Patent US 552,242
Granted Patent S1
US 552,242 · App. 29/231,016 · Granted Oct 2, 2007

Ophthalmic digital acuity chart system

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Quick Facts
Patent No.
US 552,242
App. No.
29/231,016
Granted
Oct 2, 2007
Kind
S1
Claims (1)

The ornamental design for an ophthalmic digital acuity chart system, as shown.