Inventor · disambiguated record
Mark A. Marshall
Also filed as: MARSHALL MARK A
7 granted patents·70 citations·filing 1989–2017
83Inventor score
Top patents by PatentIndex Score
7 records- 0169US5941145ATube squaring toolTRI TOOL INC·Filed 1997·Granted Aug 24, 1999·35 cites·7 claims
- 0254US5743539AQuick setting and release actuator for work holderTRI TOOL INC·Filed 1996·Granted Apr 28, 1998·17 cites·27 claims
- 0344US10059181B2High-tech coverMARSHALL MARK A·Filed 2017·Granted Aug 28, 2018·0 cites·7 claims
- 0438US5083484APipe end preparation tool having improved torque reacting and clamping capabilitiesTRI TOOL INC·Filed 1990·Granted Jan 28, 1992·8 cites·9 claims
- 0532US5934688AQuick setting and release actuator for work holderTRI TOOL INC·Filed 1998·Granted Aug 10, 1999·5 cites·20 claims
- 0631US4955263APipe end preparation tool having improved torque reacting and clamping capabilitiesTRI TOOL INC·Filed 1989·Granted Sep 11, 1990·4 cites·14 claims
- 0727USD407724STube squaring toolTRI TOOL INC·Filed 1997·Granted Apr 6, 1999·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →