Inventor · disambiguated record
David Frigger
Also filed as: FRIGGER DAVID
4 granted patents·191 citations·filing 1993–2000
80Inventor score
Top patents by PatentIndex Score
4 records- 0173US5460176APositive locking cannulaMALLINCKRODT MEDICAL INC·Filed 1994·Granted Oct 24, 1995·43 cites·11 claims
- 0267US5390669ADevice using connector tube to lock inner cannula inside outer cannulaMALLINCKRODT MEDICAL INC·Filed 1993·Granted Feb 21, 1995·129 cites·7 claims
- 0348US6386200B1Bi-functional in-line phonation valveMALLINCKRODT INC·Filed 2000·Granted May 14, 2002·3 cites·2 claims
- 0432US6189534B1Bi-functional in-line phonation valveMALLINCKRODT INC·Filed 1998·Granted Feb 20, 2001·16 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →