R. Keith Barker

HUHolystone Usa: 2 patents #1 of 1Top 100%

Walhalla, SC: #1 of 2 inventorsTop 50%

South Carolina: #256 of 1,864 inventorsTop 15%

Overall (2018): #111,346 of 503,207Top 25%

2 Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
10145512	Compressed natural gas storage and dispensing system	—	2018-12-04
9951905	Compressed natural gas storage and dispensing system	—	2018-04-24