Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9790626 | Needling fibrous webs | Christopher M. Gallant, James R. Barker, Gregory K. Kopanski | 2017-10-17 |
| 9388519 | Needling fibrous webs | Christopher M. Gallant, James R. Barker, Gregory R. Kopanski | 2016-07-12 |
| 8449216 | Manhole cover safety device | Kevin S. Vrondran, Scott B. Beal, Dennis E. Webb, Jeremy I. Johnson | 2013-05-28 |
| 8206058 | Manhole cover hinge assembly | Kevin S. Vrondran, Jeremy I. Johnson | 2012-06-26 |
| 7726903 | Manhole system | Kevin S. Vrondran, Jeremy I. Johnson | 2010-06-01 |
| D501261 | Grate | Shawn M. Hauck, Tamalie S. Dalto | 2005-01-25 |