Inventor · disambiguated record
John D. Hayduk
Also filed as: HAYDUK JOHN D
2 granted patents·13 citations·filing 1997–1997
56Inventor score
Technology areasH04M
Top patents by PatentIndex Score
2 records- 0136US5949870ASystem and method for providing local number portability serviceTELCORDIA TECH INC·Filed 1997·Granted Sep 7, 1999·10 cites·13 claims
- 0220US5870452ASystem and method for controlling message looping between network elementsBELL COMMUNICATIONS RES·Filed 1997·Granted Feb 9, 1999·3 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →