Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D765033 | Rotating receptacle | Douglas J. Oosterman, Andras Kupfermann | 2016-08-30 |
| 9425533 | Rotating receptacle assembly | Douglas J. Oosterman, Andras Kupfermann | 2016-08-23 |
| 9425570 | Power receptacle assembly | Douglas J. Oosterman, Joseph Thomas Brophy | 2016-08-23 |
| D744951 | Power receptacle assembly | Douglas J. Oosterman, Joseph Thomas Brophy | 2015-12-08 |