Robert C. Kirk

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Salem, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Cat litter box
- Patent number 5,184,574
- Issue date Feb 9, 1993
- Robert C. Kirk
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING

Patents Applicationslast 30 patents

Information Patent Application
Animal litter system
- Publication number 20040163604
- Publication date Aug 26, 2004
- Robert C. Kirk
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING