Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11649603 | Manhole rehabilitation system | — | 2023-05-16 |
| 11530522 | Manhole assembly | — | 2022-12-20 |
| 11377863 | Aggregate panel system | Andrew Jackman | 2022-07-05 |
| 10968594 | Manhole rehabilitation system | — | 2021-04-06 |
| 10961681 | Manhole assembly | — | 2021-03-30 |
| 10822766 | Manhole saddle tee | — | 2020-11-03 |
| 10662606 | Manhole lid to base connection | — | 2020-05-26 |
| 10563373 | Manhole assembly | — | 2020-02-18 |
| 6749149 | Paper towel holder | — | 2004-06-15 |
| 6510964 | Center-pull sheet material dispenser | Ladislav Paukov, Daniel J. Morton | 2003-01-28 |
| 5592798 | Spacer for glass blocks | Bohumir Cervenka | 1997-01-14 |