Darrnell D. Krell

📍 Coon Rapids, MN: #209 of 498 inventorsTop 45%

🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%

Overall (All Time): #2,318,757 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
D322876	Key safe cover	—	1991-12-31
5046339	Protective cover for key safe	—	1991-09-10