Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7356603 | Integrated system of loads with multiple public awareness functions | — | 2008-04-08 |
| 5601436 | Apparatus and method for generating and presenting an audiovisual lesson plan | David Sudman, Joseph Ulowetz, Maureen Pajerski | 1997-02-11 |
| 5385475 | Apparatus and method for generating and presenting an audio visual lesson plan | David Sudman, Joseph Ulowetz, Maureen Pajerski | 1995-01-31 |
| 5345510 | Integrated speaker supervision and alarm system | Kamlesh Patel | 1994-09-06 |
| 4677541 | Programmable clock | — | 1987-06-30 |
| 4490050 | Master/slave clock system | — | 1984-12-25 |
| 4387420 | Programmable clock | James E. Dahlquist | 1983-06-07 |