DA

Duane A. Avard

DU Durametallic: 3 patents #4 of 23Top 20%
Overall (All Time): #1,669,329 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4795168 Magnetic seal assembly William V. Adams, Leroy A. Waling 1989-01-03
4743034 Labyrinth bearing protector seal Kenneth G. Kakabaker 1988-05-10
4560173 Mechanical seal assembly with coolant circulation structure William V. Adams 1985-12-24