Hardened circular spectacle-lens element and method of making the same
GROSSKOPF, KLAUS, DANIELS, ERWIN J, GANSWEIN, BERNHARD, SCHURLE, HERMAN
Year of Publication 11.12.1979
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Year of Publication 11.12.1979
Patent
DE2803047
DANIELS, ERWIN J.., 7080 AALEN, DE, KORN, SIEGFRIED, 7082 OBERKOCHEN, DE
Year of Publication 14.07.1983
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Year of Publication 14.07.1983
Patent
DE2657459
GAENSWEIN, BERNHARD, DANIELS, ERWIN J, SCHUERLE, HERMAN, 7082 OBERKOCHEN, GROSSKOPF, KLAUS.., PETERSBURG, VA. (V.ST.A.)
Year of Publication 19.07.1979
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Year of Publication 19.07.1979
Patent
DE2657459
GAENSWEIN, BERNHARD, DANIELS, ERWIN J, SCHUERLE, HERMAN, 7082 OBERKOCHEN, GROSSKOPF, KLAUS.., PETERSBURG, VA. (V.ST.A.)
Year of Publication 16.11.1978
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Year of Publication 16.11.1978
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