Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8721216 | Method of repairing a manhole chimney using a stretchable sleeve | Larry W. Kiest, Jr., Jason Bartlett, Thomas M. O'Sullivan, III, Raymond L. Greek, Timothy L. Back | 2014-05-13 |
| 7670086 | Method of repairing a manhole chimney using a stretchable sleeve | Larry W. Kiest, Jr., Jason Bartlett, Thomas M. O'Sullivan, III, Raymond L. Greek, Timothy L. Back | 2010-03-02 |