Inventor · disambiguated record
John A. Chang
Also filed as: CHANG JOHN A · CHANG JOHN ALLEN
4 granted patents·704 citations·filing 1993–1995
85Inventor score
Technology areasA61F
Files withPROCTER & GAMBLE4
Top patents by PatentIndex Score
4 records- 0193US5358500AAbsorbent articles providing sustained dynamic fitPROCTER & GAMBLE·Filed 1993·Granted Oct 25, 1994·443 cites·40 claims
- 0271US5634916AAbsorbent articles providing sustained dynamic fitPROCTER & GAMBLE·Filed 1995·Granted Jun 3, 1997·93 cites·19 claims
- 0370US5643242AAbsorbent articles providing sustained dynamic fitPROCTER & GAMBLE·Filed 1995·Granted Jul 1, 1997·93 cites·18 claims
- 0457US5484636ASanitary napkin wrapper and adhesive tab construction for the samePROCTER & GAMBLE·Filed 1994·Granted Jan 16, 1996·75 cites·5 claims
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