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LFE Corp

LFE Corp
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3951709A Process and material for semiconductor photomask fabrication Expired / Lapsed 1974-02-28 1976-04-20 41 Details
US3795557A Process and material for manufacturing semiconductor devices Expired / Lapsed 1972-05-12 1974-03-05 0 Details