Robert M. Joubert

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Potchefstroom, ZA

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Patents Grantslast 30 patents

Information Patent Grant
Measuring flask
- Patent number 5,713,715
- Issue date Feb 3, 1998
- Rotaque (Proprietary) Limited
- Robert Montaque Joubert
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Discharge hopper
- Patent number 5,448,954
- Issue date Sep 12, 1995
- Rotaque (Proprietary) Limited
- Robert M. Joubert
- B61 - RAILWAYS
Information Patent Grant
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- Patent number 5,122,028
- Issue date Jun 16, 1992
- Rotaque (Proprietary) Limited
- Robert M. Joubert
- B66 - HOISTING LIFTING HAULING