Individual holder
BARTZ RICHARD O
6 granted patents·152 citations·filing 1975–2017
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
6 records- 0195USD264180SLiquid collection and storage containerBARTZ RICHARD O·Filed 1980·Granted May 4, 1982·52 cites·1 claims
- 0291US4002207AEarthworking tool with handle having triangularly arranged sidesBARTZ RICHARD O·Filed 1975·Granted Jan 11, 1977·34 cites·14 claims
- 0385US4881650AFluid collection containerBARTZ RICHARD O·Filed 1988·Granted Nov 21, 1989·47 cites·22 claims
- 0465USD808085SBird feederBARTZ RICHARD O·Filed 2017·Granted Jan 16, 2018·10 cites·1 claims
- 0553USD246027SSoil working hand toolBARTZ RICHARD O·Filed 1975·Granted Oct 11, 1977·5 cites·1 claims
- 0634US3988854AStackable elements with lateral connectorBARTZ RICHARD O·Filed 1975·Granted Nov 2, 1976·4 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →