Inventor · disambiguated record
Bernard Joseph Campbell
Also filed as: CAMPBELL BERNARD J · CAMPBELL BERNARD JOSEPH
6 granted patents·1 pending application·130 citations·filing 1991–2001
84Inventor score
Top patents by PatentIndex Score
7 records- 0173US8027920B1Value transaction systemsMEI INC·Filed 2000·Granted Sep 27, 2011·10 cites·8 claims
- 0267US5931277AMoney validation system using acceptance criteriaMARS INC·Filed 1995·Granted Aug 3, 1999·38 cites·50 claims
- 0360US5464087ATransaction systemsMARS INC·Filed 1992·Granted Nov 7, 1995·47 cites·13 claims
- 0449US5462149AMoney validatorsMARS INC·Filed 1991·Granted Oct 31, 1995·23 cites·46 claims
- 0545US2002020738A1Method and apparatus for performing value transactionsFiled 2001·Application pending·0 cites
- 0640US7699689B2Vending machines and coin handling apparatusMEI INC·Filed 2000·Granted Apr 20, 2010·3 cites·2 claims
- 0737US5356332ACoin mechanismMARS INC·Filed 1991·Granted Oct 18, 1994·9 cites·12 claims
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