Karl E. Kramer

📍 Arlington Heights, IL: #620 of 1,285 inventorsTop 50%

🗺 Illinois: #34,584 of 84,256 inventorsTop 45%

Overall (All Time): #2,249,151 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5902182	Air exchange and cleaning system for building enclosure, particularly indoor firing range	—	1999-05-11
5846128	Air exchange and cleaning system for building enclosures, particularly indoor firing range	—	1998-12-08