Joel Wittkamp

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Raleigh, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Waste container trolley
- Patent number D398726
- Issue date Sep 22, 1998
- Rubbermaid Commercial Products Inc.
- Donald C. Presnell
- D34 - Material or article handling equipment
Information Patent Grant
Trash container carrier
- Patent number 5,704,625
- Issue date Jan 6, 1998
- Rubbermaid Commercial Products Inc.
- Donald C. Presnell
- B60 - VEHICLES IN GENERAL