Donald F. Klus

GG G-P Gypsum: 2 patents #3 of 18Top 20%

GE Georgia-Pacific: 1 patents #90 of 216Top 45%

📍 Tigard, OR: #247 of 696 inventorsTop 40%

🗺 Oregon: #10,188 of 28,073 inventorsTop 40%

Overall (All Time): #1,609,779 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
6648965	Fire door components and fire doors comprising the components	—	2003-11-18
6554893	Fire door core	—	2003-04-29
6340389	Fire door core	—	2002-01-22