Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10876634 | Annular sealing assembly | David Jonathan Chalk, Gregory Peter Hupp, Douglas R. Williams | 2020-12-29 |
| 7634957 | Method and apparatus for machining workpieces having interruptions | Ranajit Ghosh, Zbigniew Zurecki | 2009-12-22 |
| 7513121 | Apparatus and method for improving work surface during forming and shaping of materials | Zbigniew Zurecki, Ranajit Ghosh, John Herbert Frey | 2009-04-07 |