Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11982078 | Drain cable decoupler tools | Robert Skrjanc, Benjamin Richard Azzam, Scott Kruepke, Glen R. Chartier | 2024-05-14 |
| 10889976 | Drain cable decoupler tools | Robert Skrjanc, Ben Azzam, Scott Kruepke, Glen R. Chartier | 2021-01-12 |
| 10465372 | Drain cleaning tools | Richard R. Bowles, Prasad Chatursingh Patil | 2019-11-05 |
| 9950372 | Transportable beveling tool | Michael J. Rutkowski, Harish P. Kulkarni, Jon R. Dunkin, Robert Skrjanc, James E. Hamm | 2018-04-24 |
| D748699 | Tool face | Robert Skrjanc, James E. Hamm | 2016-02-02 |
| D744556 | Swing arm | Robert Skrjanc | 2015-12-01 |