Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7340421 | Account reconciliation methods and systems | William Marcial, William Charles Heinrich | 2008-03-04 |
| 4249155 | Heating and cooling thermostat with limiting action selected by the changeover switching apparatus | Dennis R. Grabowski | 1981-02-03 |