Assignee
BLOOMFIELD JOHN W
US·2 granted patents·1 pending application·173 citations·filing 1991–2006
Top patents by PatentIndex Score
3 records- 0187US5224474ARetrofitting gas mask voice amplifier unit with easily actuated switch meansBLOOMFIELD JOHN W·Filed 1991·Granted Jul 6, 1993·111 cites·16 claims
- 0277US5224473ARetrofitting gas mask voice amplifier unit with easily actuated switch meansBLOOMFIELD JOHN W·Filed 1991·Granted Jul 6, 1993·62 cites·13 claims
- 0352US2007122758A1Single device to create flame and extinguish flameBLOOMFIELD JOHN W·Filed 2006·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →