Patrick Ross Willaman

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Utica, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Bolter
- Patent number 11,781,430
- Issue date Oct 10, 2023
- Joy Global Underground Mining LLC
- Patrick Ross Willaman
- E21 - EARTH DRILLING MINING
Information Patent Grant
Bolter
- Patent number 11,725,514
- Issue date Aug 15, 2023
- Joy Global Underground Mining LLC
- Willem Fourie
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling and bolting device
- Patent number 11,274,506
- Issue date Mar 15, 2022
- Joy Global Underground Mining LLC
- Patrick Ross Willaman
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
BOLTER
- Publication number 20230417141
- Publication date Dec 28, 2023
- Joy Global Underground Mining LLC
- Patrick Ross Willaman
- E21 - EARTH DRILLING MINING
Information Patent Application
BOLTER
- Publication number 20230340879
- Publication date Oct 26, 2023
- Joy Global Underground Mining LLC
- Willem Fourie
- E21 - EARTH DRILLING MINING
Information Patent Application
BOLTER
- Publication number 20220106838
- Publication date Apr 7, 2022
- Joy Global Underground Mining LLC
- Willem Fourie
- E21 - EARTH DRILLING MINING
Information Patent Application
BOLTER
- Publication number 20220106880
- Publication date Apr 7, 2022
- Joy Global Underground Mining LLC
- Patrick Ross Willaman
- E21 - EARTH DRILLING MINING
Information Patent Application
DRILLING AND BOLTING DEVICE
- Publication number 20190368282
- Publication date Dec 5, 2019
- Joy Global Underground Mining LLC
- Patrick Ross Willaman
- E21 - EARTH DRILLING MINING