Inventor · disambiguated record
David H. Ditlefsen
Also filed as: DITLEFSEN DAVID H · DITLEFSEN DAVID HENRY
3 granted patents·50 citations·filing 2000–2003
73Inventor score
Files withDUREX PRODUCTS INC2
Top patents by PatentIndex Score
3 records- 0179US6634505B1Sieve bed for a sifting machineDUREX PRODUCTS INC·Filed 2000·Granted Oct 21, 2003·24 cites·28 claims
- 0269US7273151B2Sieve bed for a sifting machineDUREX PRODUCTS INC·Filed 2003·Granted Sep 25, 2007·16 cites·28 claims
- 0353USD445437SScreen panelFiled 2000·Granted Jul 24, 2001·10 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →