Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7819140 | Internal diameter coatings for fire protection piping | Bruce E. Laumann, Stephen T. Norvilas, Robert D. Bussiere, Kenneth J. Spellman, Richard W. Maunz | 2010-10-26 |