JK

Jeffrey Allen Kempker

KK Klever Kutter: 4 patents #2 of 3Top 70%
📍 Spring Lake, MI: #4 of 18 inventorsTop 25%
🗺 Michigan: #6,947 of 86,293 inventorsTop 9%
Overall (All Time): #362,118 of 4,157,543Top 9%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 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
D985351 Handle for a handheld safety knife 2023-05-09
D985352 Blade cartridge for a handheld safety knife 2023-05-09
D958630 Handheld safety knife 2022-07-26
D958629 Handheld safety knife 2022-07-26
D958628 Handheld safety knife 2022-07-26
11052552 Safety utility blades, assemblies and methods of manufacturing Matthew J. Jacobs, Orville V. Crain 2021-07-06
10442093 Safety utility blades, assemblies and methods of manufacturing Matthew J. Jacobs, Orville V. Crain 2019-10-15
D673440 Cutter Orville V. Crain, Matthew J. Jacobs 2013-01-01
D639631 Handle Orville V. Crain, Matthew J. Jacobs 2011-06-14
D527604 Cutter Orville V. Crain, Matthew J. Jacobs 2006-09-05
D521844 Cutter Orville V. Crain, Matthew J. Jacobs 2006-05-30