Keith Long

📍 Utica, MI: #105 of 298 inventorsTop 40%

🗺 Michigan: #35,034 of 86,293 inventorsTop 45%

Overall (All Time): #2,077,072 of 4,157,543Top 50%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
8516998	Propane injection control for gasoline and gaseous fuel internal combustion engines	—	2013-08-27
6422015	Propane injection system and method for a diesel engine	—	2002-07-23