Inventor · disambiguated record
Douglas A. Bonfield
Also filed as: BONFIELD DOUGLAS A
2 granted patents·47 citations·filing 1997–1999
65Inventor score
Technology areasA62C
Files withCURRAN CO2
Top patents by PatentIndex Score
2 records- 0170US5921322ADevice for regulating speed of deployment of sprinkler heads in preactive sprinkler systemsCURRAN CO·Filed 1997·Granted Jul 13, 1999·36 cites·25 claims
- 0238US6216963B1Device for regulating speed of deployment of sprinkler heads in preactive sprinkler systemsCURRAN CO·Filed 1999·Granted Apr 17, 2001·11 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →