Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D732944 | Security bolt | Jeremy I. Johnson | 2015-06-30 |
| 8714867 | Explosion mitigating cover | Dean W. Reynolds, Scott B. Beal, Jeremy I. Johnson | 2014-05-06 |
| 8449216 | Manhole cover safety device | Scott B. Beal, David E. Fuller, Dennis E. Webb, Jeremy I. Johnson | 2013-05-28 |
| 8206058 | Manhole cover hinge assembly | David E. Fuller, Jeremy I. Johnson | 2012-06-26 |
| 7905679 | Dual lifting manhole cover | Jeremy I. Johnson, Andrew J. Malpass | 2011-03-15 |
| 7832958 | Swing-out manhole cover | Lee M. Veldboom, Jeremy I. Johnson | 2010-11-16 |
| 7726903 | Manhole system | Jeremy I. Johnson, David E. Fuller | 2010-06-01 |