DC

Douglas J. Christensen

📍 Medina, MN: #44 of 87 inventorsTop 55%
🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #1,767,768 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12018910 Holster facilitating master grip 2024-06-25
11376479 Golf flagstick accessories and modifications James E. Johnson, James T. Hegedus, Peter R. Johnson 2022-07-05