MH

Mark William Hefron

Overall (All Time): #2,839,497 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10188578 Powered handle bar apparatus for staircase, ramp or level walk area walking assistance for challenged individuals Cynthia Reed, James C. Reed 2019-01-29