WA

William J. Abernethy

Overall (All Time): #766,250 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5463971 Collapsible sea anchor or drogue 1995-11-07
5016556 Sea anchor or drogue 1991-05-21
D315136 Sea anchor 1991-03-05
4969413 Sea- or drag-anchor 1990-11-13
RE33068 Sea anchor or changeable drag 1989-09-26
D303369 Anchor 1989-09-12
4562788 Sea anchor or changeable drag 1986-01-07