Frank A. Sisk

📍 Harrisburg, IL: #6 of 25 inventorsTop 25%

🗺 Illinois: #26,653 of 84,256 inventorsTop 35%

Overall (All Time): #1,516,064 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
8966846	Steel anchored reinforced mine seal	—	2015-03-03
8485873	Steel anchored reinforced mine seal	—	2013-07-16
5879231	Mine ventilation structure	—	1999-03-09