DB

Donald E. Bardsley

IN Ingersoll-Rand: 3 patents #171 of 828Top 25%
📍 Nashua, NH: #573 of 1,592 inventorsTop 40%
🗺 New Hampshire: #4,150 of 12,181 inventorsTop 35%
Overall (All Time): #1,657,099 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5194153 Apparatus for sealing a center valve vacuum filter — 1993-03-16
4821536 Rotating drum end seal — 1989-04-18
4317724 Feeding device for use in filter presses — 1982-03-02