Inventor · disambiguated record
James R. Spencer
Also filed as: SPENCER II JAMES RONALD · SPENCER JAMES · SPENCER JAMES R
18 granted patents·295 citations·filing 1979–2018
95Inventor score
Top patents by PatentIndex Score
18 records- 0192US10652030B1Digital certificate filtering based on intrinsic and derived attributesAMAZON TECH INC·Filed 2018·Granted May 12, 2020·23 cites·20 claims
- 0291US4990195AProcess for producing tungsten heavy alloysGTE PROD CORP·Filed 1989·Granted Feb 5, 1991·48 cites·2 claims
- 0388US4836108AMaterial for multiple component penetrators and penetrators employing sameGTE PROD CORP·Filed 1988·Granted Jun 6, 1989·51 cites·1 claims
- 0487US9864778B1System for providing events to usersAMAZON TECH INC·Filed 2014·Granted Jan 9, 2018·19 cites·20 claims
- 0571US4744944AProcess for producing tungsten heavy alloy billetsGTE PROD CORP·Filed 1987·Granted May 17, 1988·22 cites·8 claims
- 0670US6385847B1Seat faced engine valves and method of making seat faced engine valvesEATON CORP·Filed 2000·Granted May 14, 2002·18 cites·7 claims
- 0770US4429201AElectrical switch having a reciprocating wiping actuatorMIDLAND ROSS CORP·Filed 1982·Granted Jan 31, 1984·16 cites·13 claims
- 0868US5008071AMethod for producing improved tungsten nickel iron alloysGTE PROD CORP·Filed 1988·Granted Apr 16, 1991·17 cites·1 claims
- 0962US5145512ATungsten nickel iron alloysGTE PROD CORP·Filed 1989·Granted Sep 8, 1992·13 cites·11 claims
- 1060US4768365AProcess for producing tungsten heavy alloy sheetGTE PROD CORP·Filed 1987·Granted Sep 6, 1988·11 cites·3 claims
- 1159US6375708B1Alloy for electrical contacts and electrodes and method of makingOSRAM SYLVANIA INC·Filed 2000·Granted Apr 23, 2002·9 cites·21 claims
- 1255US4307966APrinter wire for printer wire assembly, assembly and method for producing sameGTE PROD CORP·Filed 1979·Granted Dec 29, 1981·9 cites·11 claims
- 1351US4777015AProcess for producing tungsten heavy alloy sheet using a metallic salt binder systemGTE PROD CORP·Filed 1988·Granted Oct 11, 1988·12 cites·3 claims
- 1448US4749410AElongated tungsten heavy metal aritcle and method for producing sameGTE PROD CORP·Filed 1987·Granted Jun 7, 1988·8 cites·6 claims
- 1544US4470649ALow profile integrated circuit electrical socket assemblyMIDLAND ROSS CORP·Filed 1982·Granted Sep 11, 1984·8 cites·6 claims
- 1640US4885031AFine grain tungsten heavy alloys containing additivesGTE PROD CORP·Filed 1988·Granted Dec 5, 1989·5 cites·1 claims
- 1736US4986961AFine grain tungsten heavy alloys containing additivesGTE PROD CORP·Filed 1989·Granted Jan 22, 1991·4 cites·3 claims
- 1830US4832907AProcess for producing tungsten heavy alloy sheetGTE PROD CORP·Filed 1988·Granted May 23, 1989·2 cites·3 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →