DR

David W. Rees

SP Spx: 1 patents #217 of 468Top 50%
Overall (All Time): #2,193,253 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6768473 Antenna system and method Michael Harland, William A. Kerkhoff, Rex L. Niekamp, Eric L. Power, Jeffrey H. Steinkamp 2004-07-27
5108600 Surface cleaning apparatus John N. Koblanski 1992-04-28