Inventor · disambiguated record
David N. Schram
Also filed as: SCHRAM DAVID N
9 granted patents·318 citations·filing 1983–1990
91Inventor score
Technology areasC25D
Files withLEARONAL INC9
Top patents by PatentIndex Score
9 records- 0196US4871429ALimiting tin sludge formation in tin or tin/lead electroplating solutionsLEARONAL INC·Filed 1988·Granted Oct 3, 1989·75 cites·21 claims
- 0289US4565609ABath and process for plating tin, lead and tin-lead alloysLEARONAL INC·Filed 1985·Granted Jan 21, 1986·43 cites·24 claims
- 0388US4565610ABath and process for plating lead and lead/tin alloysLEARONAL INC·Filed 1985·Granted Jan 21, 1986·42 cites·8 claims
- 0484US4681670ABath and process for plating tin-lead alloysLEARONAL INC·Filed 1986·Granted Jul 21, 1987·33 cites·23 claims
- 0584US4599149AProcess for electroplating tin, lead and tin-lead alloys and baths thereforLEARONAL INC·Filed 1983·Granted Jul 8, 1986·23 cites·16 claims
- 0683US4617097AProcess and electrolyte for electroplating tin, lead or tin-lead alloysLEARONAL INC·Filed 1985·Granted Oct 14, 1986·32 cites·20 claims
- 0782US4717460ATin lead electroplating solutionsLEARONAL INC·Filed 1987·Granted Jan 5, 1988·28 cites·18 claims
- 0881US4640746ABath and process for plating tin/lead alloys on composite substratesLEARONAL INC·Filed 1985·Granted Feb 3, 1987·28 cites·9 claims
- 0961US5094726ALimiting tin sludge formation in tin or tin-lead electroplating solutionsLEARONAL INC·Filed 1990·Granted Mar 10, 1992·14 cites·13 claims
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