RA

Richard P. Antkowiak

AC A.W. Chesterton: 1 patents #1 of 3Top 35%
📍 Hampstead, NH: #1 of 5 inventorsTop 20%
🗺 New Hampshire: #88 of 409 inventorsTop 25%
Overall (1989): #66,596 of 140,708Top 50%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4863177 Split labyrinth seal Robert E. Rockwood, John S. Pehl 1989-09-05