Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5511898 | Moveable manhole cover | Martin C. Pettesch, Michael P. Breheny, Christopher M. Andrews, Joseph V. Milo | 1996-04-30 |
| 5438028 | Method of enhancing finished catalysts | Jeffrey G. Weissman, Elaine C. DeCanio, Denise C. Tebbens | 1995-08-01 |