DK

David E. Kifer

OA Oatey: 3 patents #20 of 68Top 30%
Overall (All Time): #1,666,907 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4903997 Roof flashing 1990-02-27
4526407 Roof flashing 1985-07-02
4410004 Laundry outlet box Robert H. McGuire 1983-10-18