DR

Donald P. Rigney

ES Empire Comfort Systems: 2 patents #1 of 2Top 50%
📍 Belleville, IL: #2 of 9 inventorsTop 25%
🗺 Illinois: #618 of 5,836 inventorsTop 15%
Overall (2002): #67,404 of 266,432Top 30%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6481343 Barbecue grill grate Lloyd Maschhoff 2002-11-19
6446545 Food cooking apparatus with drain spigot — 2002-09-10