Inventor · disambiguated record
Harold R. Carpenter
Also filed as: CARPENTER HAROLD R
2 granted patents·92 citations·filing 1997–2002
68Inventor score
Technology areasA62B
Files with3M INNOVATIVE PROPERTIES CO2
Top patents by PatentIndex Score
2 records- 0176US6382206B1Speech transmission adaptor for use with a respirator mask3M INNOVATIVE PROPERTIES CO·Filed 1997·Granted May 7, 2002·65 cites·14 claims
- 0274US7234462B2Speech transmission adaptor for use with a respirator mask3M INNOVATIVE PROPERTIES CO·Filed 2002·Granted Jun 26, 2007·27 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →