HJ

H. Matthew Johnson

ST Surface Preparation Technologies: 5 patents #1 of 7Top 15%
Overall (All Time): #990,518 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9573295 Cutting tool, mounting bracket, and rotatable cutting head Jeffrey M. DOWS 2017-02-21
9574310 Method and apparatus for cutting a sinusoidal groove in a road surface Jeffrey M. DOWS 2017-02-21
9121148 Method and apparatus for cutting grooves in a road surface 2015-09-01
8821063 Control system and method for road cutting machine Jeffreu M. Dows 2014-09-02
6755482 Cutting machine with flywheel gearbox design and method for use 2004-06-29