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FERROELECTRIC LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTAL OPTICAL DEVICE PRODUCED BY USING THE FERROELECTRIC LIQUID CRYSTAL COMPOSITION, AND METHOD OF PRODUCING THE LIQUID CRYSTAL OPTICAL DEVICE

07/985,139 | U.S. Patent Application

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Filed Dec. 3, 1992
Case Type Utility - 252/299010
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Last Updated: 5 years ago
Date # Transaction