Robert J. Lester

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Cleadon, nr. Sunderland, GB

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Patents Grantslast 30 patents

Information Patent Grant
Multi-section telescopic boom
- Patent number RE30905
- Issue date Apr 20, 1982
- Coles Crane Ltd.
- Robert J. Lester
- 052 - Static structures
Information Patent Grant
Crane boom and telescopic section for it
- Patent number 4,171,597
- Issue date Oct 23, 1979
- Coles Cranes Limited
- Robert J. Lester
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Multi-section telescopic boom
- Patent number 4,156,331
- Issue date May 29, 1979
- Coles Cranes Ltd.
- Robert J. Lester
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Mobile crane
- Patent number 4,140,199
- Issue date Feb 20, 1979
- Coles Cranes Limited
- Robert J. Lester
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS