Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8719185 | Method and system for tracking and budgeting energy usage | Douglas L. Pfeister, Christopher Putnam | 2014-05-06 |
| 7818270 | Method and system for tracking and budgeting energy usage | Douglas L. Pfeister, Christopher Putnam | 2010-10-19 |