MW

Michael C. Walgren

TW The Charles Machine Works: 12 patents #13 of 211Top 7%
Overall (All Time): #399,715 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
D1089341 Microtrencher blade Brant Douglas Kukuk, Todd J. Streck, David J. Diel 2025-08-19
D1040197 Microtrencher blade Brant Douglas Kukuk, Todd J. Streck, David J. Diel 2024-08-27
D1032318 Tooth for use with a microtrenching blade 2024-06-25
D925626 Microtrencher blade Cody L. Sewell 2021-07-20
D925627 Microtrencher blade Cody L. Sewell 2021-07-20
D925628 Microtrencher blade Cody L. Sewell 2021-07-20
D796291 Microtrenching blade and tooth Cody L. Sewell 2017-09-05
D796292 Microtrenching blade and tooth Cody L. Sewell 2017-09-05
D795932 Tooth Brant Douglas Kukuk, Cody L. Sewell 2017-08-29
D640290 Micro-trenching blade Vernon T. Stellman, L. Shane Ingram 2011-06-21
D640291 Conical cutting element Vernon T. Stellman, L. Shane Ingram 2011-06-21
D640292 Micro-trenching blade Vernon T. Stellman, L. Shane Ingram 2011-06-21