Drilldown: Patents
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None (2) ·
and Patent DE-1918-07-06 Michel Schleiffer (1) ·
Patent CA-1910-132036 (1) ·
Patent DE-1918-04-06 Michel Schleiffer (1) ·
Patent DE-1918-421323 (1) ·
Patent US-1909-1008096 (1) ·
Patent US-1909-970771 (1) ·
Patent US-1910-1003459 (1) ·
Patent US-1910-1003605 (1) ·
Patent US-1910-1055379 (1) ·
Patent US-1910-1214835 (1)
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