CK

Christopher Kliefoth

NI Nationwide Industries: 2 patents #3 of 12Top 25%
CE Certainteed: 1 patents #267 of 431Top 65%
📍 Orefield, PA: #39 of 99 inventorsTop 40%
🗺 Pennsylvania: #23,606 of 74,527 inventorsTop 35%
Overall (All Time): #1,549,302 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8109045 Form drain for incorporation into a building foundation E. Erik Timothy 2012-02-07
7044511 Magnetic latch system E. Erik Timothy 2006-05-16
5474400 Radon remediation in form-drain apparatus Alton F. Parker 1995-12-12