Patrick Joseph Douglas

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Castletown, Isle of Man 1M9 1BE, GB

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Patents Grantslast 30 patents

Information Patent Grant
Tractor unit and wheeled trailer combination
- Patent number 6,336,558
- Issue date Jan 8, 2002
- Patrick Joseph Douglas
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Self-propelled material-processing apparatus
- Patent number 6,186,338
- Issue date Feb 13, 2001
- Patrick Joseph Douglas
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Mobile screening apparatus and method
- Patent number 6,098,812
- Issue date Aug 8, 2000
- Patrick Joseph Douglas
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Mobile screening apparatus
- Patent number 5,957,302
- Issue date Sep 28, 1999
- Patrick Joseph Douglas
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING