DB

Donald A. Bistline

CG Callaway Golf: 3 patents #26 of 72Top 40%
📍 Vista, CA: #10 of 65 inventorsTop 20%
🗺 California: #2,144 of 26,763 inventorsTop 9%
Overall (2002): #30,668 of 266,432Top 15%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6475100 Golf club head with adjustable face angle Richard C. Helmstetter, Andrew J. Goodjohn, James C. Wenck 2002-11-05
6409612 Weighting member for a golf club head D. Clayton Evans, Victor S. Dennis 2002-06-25
6368230 Golf club fitting device Richard C. Helmstetter, Andrew J. Goodjohn, James C. Wenck 2002-04-09