| 6088688 |
Computerized resource accounting methods and systems, computerized utility management methods and systems, multi-user utility management methods and systems, and energy-consumption-based tracking methods and systems |
Gerry Crooks, Ed Arnhold, John Battista, Ken Boni, Dan Bowers +8 more |
2000-07-11 |
| 6035285 |
Electronic bill presenting methods and bill consolidating methods |
Gerry Crooks, Janna Genzberger, Rick Kurtz, Mark Feichtner, Larry Kippenhan +2 more |
2000-03-07 |
| 5930773 |
Computerized resource accounting methods and systems, computerized utility management methods and systems, multi-user utility management methods and systems, and energy-consumption-based tracking methods and systems |
Gerry Crooks, Ed Arnhold, John Battista, Ken Boni, Dan Bowers +8 more |
1999-07-27 |