Jack C. Dempsey

AL Aqua Systems Limited: 3 patents #1 of 13Top 8%

📍 Brown City, MI: #2 of 15 inventorsTop 15%

🗺 Michigan: #22,048 of 86,293 inventorsTop 30%

Overall (All Time): #1,291,681 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
5379832	Shell and coil heat exchanger	—	1995-01-10
5228505	Shell and coil heat exchanger	—	1993-07-20
5088192	Method of forming a shell and coil heat exchanger	—	1992-02-18
4865124	Shell and coil heat exchanger	—	1989-09-12