Mark Engelmann

📍 Council Bluffs, IA: #34 of 105 inventorsTop 35%

🗺 Iowa: #6,094 of 15,303 inventorsTop 40%

Overall (All Time): #1,874,597 of 4,157,543Top 50%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
10975798	Enhanced piston for improving the efficiency of an internal combustion engine	—	2021-04-13
5782215	Intake/exhaust valve	—	1998-07-21