RJ

Roy P. Johnson

SE Seh-America: 4 patents #13 of 140Top 10%
IBM: 1 patents #44,794 of 70,183Top 65%
📍 Yacolt, WA: #3 of 17 inventorsTop 20%
🗺 Washington: #19,482 of 76,902 inventorsTop 30%
Overall (All Time): #1,038,390 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6971585 System and method for protecting equipment from damage due to low or rapidly changing temperatures Alan J. Orndorff 2005-12-06
6123617 Clean room air filtering system 2000-09-26
6102977 Make-up air handler and method for supplying boron-free outside air to clean rooms 2000-08-15
5827118 Clean storage unit air flow system Donald L. Wilkinson 1998-10-27
5700190 Flowhood work station Donald L. Wilkinson 1997-12-23