Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6758962 | Oxygen sensing | Matthew S. Fitzgerald, Edward C. Berdich | 2004-07-06 |
| 6099707 | Apparatus for sensing oxygen concentration | Francis X. Dunigan, Edward C. Berdich | 2000-08-08 |
| 5565661 | Surface mounted indicating element for elevators | Edward C. Berdich, Timothy Shea | 1996-10-15 |
| 5484311 | Variable height outboard motor mount | Timothy P. Detwiler, Charles G. Detwiler, Jr., Edward C. Berdich | 1996-01-16 |
| 5379865 | Surface mounted indicating element for elevators | Edward C. Berdich, Timothy Shea | 1995-01-10 |