Assignee
CAMPBELL ROBERT MARSHALL
US·22 granted patents·7 pending applications·58 citations·filing 2016–2025
Top patents by PatentIndex Score
29 records- 0194US12263922B2Equipment, systems and vessels, for the effective cleanup and recovery of a broad range of floating contaminantsCAMPBELL ROBERT MARSHALL·Filed 2022·Granted Apr 1, 2025·2 cites·13 claims
- 0294US11092409B1Sighting system for a firearmCAMPBELL ROBERT MARSHALL·Filed 2019·Granted Aug 17, 2021·6 cites·21 claims
- 0394US2026022528A1Oil spill clean-up and recovery systems for marine vesselsCAMPBELL ROBERT MARSHALL·Filed 2025·Application pending·0 cites
- 0493US12435480B2Equipment, systems and vessels, for the effective cleanup and recovery of a broad range of floating contaminantsCAMPBELL ROBERT MARSHALL·Filed 2023·Granted Oct 7, 2025·2 cites·19 claims
- 0593US12078451B2Firearm sighting device and systemCAMPBELL ROBERT MARSHALL·Filed 2022·Granted Sep 3, 2024·2 cites·20 claims
- 0693US11215426B1Sight adjustable display mount for firearmsCAMPBELL ROBERT MARSHALL·Filed 2020·Granted Jan 4, 2022·8 cites·17 claims
- 0791US10006742B1Sight adjustable rotating smart phone mount for firearmsCAMPBELL ROBERT MARSHALL·Filed 2017·Granted Jun 26, 2018·16 cites·20 claims
- 0890US10808370B1Oil spill clean-up and recovery systems for marine vesselsCAMPBELL ROBERT MARSHALL·Filed 2017·Granted Oct 20, 2020·4 cites·20 claims
- 0985US11796286B2Firearm sighting device and systemCAMPBELL ROBERT MARSHALL·Filed 2022·Granted Oct 24, 2023·2 cites·20 claims
- 1084US10359256B2Camara sight with smart phone mountCAMPBELL ROBERT MARSHALL·Filed 2018·Granted Jul 23, 2019·2 cites·1 claims
- 1181US10876816B2Camera sight devices and rear viewing camera smart phone mount for a firearmCAMPBELL ROBERT MARSHALL·Filed 2018·Granted Dec 29, 2020·8 cites·18 claims
- 1280US12504257B2Sighting system for a firearmCAMPBELL ROBERT MARSHALL·Filed 2024·Granted Dec 23, 2025·0 cites·20 claims
- 1380US12428795B1Oil spill clean-up and recovery systems for marine vesselsCAMPBELL ROBERT MARSHALL·Filed 2022·Granted Sep 30, 2025·0 cites·18 claims
- 1478US11927427B2Sighting system for a firearmCAMPBELL ROBERT MARSHALL·Filed 2021·Granted Mar 12, 2024·1 cites·21 claims
- 1571US11384500B1Oil spill clean-up and recovery systems for marine vesselsCAMPBELL ROBERT MARSHALL·Filed 2020·Granted Jul 12, 2022·0 cites·12 claims
- 1670US12474141B2Rotationally deployed non-blocking firearm mirror accessoryCAMPBELL ROBERT MARSHALL·Filed 2023·Granted Nov 18, 2025·0 cites·17 claims
- 1770US2025341071A1Equipment capable of cleaning up toxic blue-green algae from bodies of water from the sides of vesselsCAMPBELL ROBERT MARSHALL·Filed 2025·Application pending·0 cites
- 1869US2025102271A1Firearm sighting device and systemCAMPBELL ROBERT MARSHALL·Filed 2024·Application pending·0 cites
- 1963US11846490B2Rotationally deployed non-blocking firearm mirror accessoryCAMPBELL ROBERT MARSHALL·Filed 2021·Granted Dec 19, 2023·0 cites·20 claims
- 2063US10845166B2Surveillance deviceCAMPBELL ROBERT MARSHALL·Filed 2019·Granted Nov 24, 2020·2 cites·18 claims
- 2163US2024053125A1Firearm sighting device and systemCAMPBELL ROBERT MARSHALL·Filed 2023·Application pending·0 cites
- 2261US2025277645A1Remotely operable surveilling and service providing device, employable on military vehicles and equipmentCAMPBELL ROBERT MARSHALL·Filed 2025·Application pending·0 cites
- 2359US10175028B2Device for use with a target viewing deviceCAMPBELL ROBERT MARSHALL·Filed 2016·Granted Jan 8, 2019·2 cites·20 claims
- 2458US12181251B2Video camera sight scopes with external reticlesCAMPBELL ROBERT MARSHALL·Filed 2022·Granted Dec 31, 2024·0 cites·17 claims
- 2558US10578405B1Sight adjustable rotating smart phone mount for firearmsCAMPBELL ROBERT MARSHALL·Filed 2018·Granted Mar 3, 2020·1 cites·3 claims
- 2654US12253335B2Sight adjustable display mount for firearmsCAMPBELL ROBERT MARSHALL·Filed 2022·Granted Mar 18, 2025·0 cites·17 claims
- 2747US10969196B2Rotationally deployed non-blocking firearm mirror accessoryCAMPBELL ROBERT MARSHALL·Filed 2017·Granted Apr 6, 2021·0 cites·15 claims
- 2838US2017299329A1Headwear mountable firearm mirror accessoryCAMPBELL ROBERT MARSHALL·Filed 2017·Application pending·0 cites
- 2938US2017241741A1Rotationally deployed folding firearm accessoryCAMPBELL ROBERT MARSHALL·Filed 2017·Application pending·0 cites
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →