JK

Jeffrey Allen Kempker

📍 Spring Lake, MI: #2 of 11 inventorsTop 20%
🗺 Michigan: #950 of 6,958 inventorsTop 15%
Overall (2025): #117,205 of 469,880Top 25%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12280514 Handheld safety knife 2025-04-22
12263610 Safety utility blades, assemblies and methods of manufacturing Matthew J. Jacobs, Orville V. Crain 2025-04-01