DH

David C. Hale

Caterpillar: 2 patents #48 of 431Top 15%
📍 Wheaton, IL: #12 of 90 inventorsTop 15%
🗺 Illinois: #618 of 5,836 inventorsTop 15%
Overall (2002): #69,222 of 266,432Top 30%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6497558 Hydraulic pressure transformer — 2002-12-24
6460333 Hydraulic pressure transformer John C. Endsley, Frank J. Raab 2002-10-08