Individual holder
HALL LESTER B
3 granted patents·70 citations·filing 1982–1983
Individually held — no corporate assignee on record.
Technology mixA62B2
Top patents by PatentIndex Score
3 records- 0174US4573463ABreathing maskHALL LESTER B·Filed 1982·Granted Mar 4, 1986·41 cites·8 claims
- 0271USD283742SCombined breathing mask and container thereforeHALL LESTER B·Filed 1983·Granted May 6, 1986·12 cites·1 claims
- 0353US4637387ABreathing apparatusHALL LESTER B·Filed 1983·Granted Jan 20, 1987·17 cites·12 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →