RA

Richard P. Antkowiak

AC A.W. Chesterton: 6 patents #7 of 56Top 15%
📍 Hampstead, NH: #21 of 87 inventorsTop 25%
🗺 New Hampshire: #2,438 of 12,181 inventorsTop 25%
Overall (All Time): #891,353 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5344291 Motor pump power end interconnect 1994-09-06
4863177 Split labyrinth seal Robert E. Rockwood, John S. Pehl 1989-09-05
4572517 Labyrinth ring seals with housing mounting means Robert E. Rockwood, Douglas J. Hill 1986-02-25
4501530 Centrifugal pump Robert E. Rockwood 1985-02-26
4439096 Impeller adjuster for centrifugal pump Robert E. Rockwood 1984-03-27
4406465 Centrifugal pump Robert E. Rockwood 1983-09-27