Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5275501 | Quick opening manhole cover assembly for use with virtually any shape manhole cover | Franklyn J. Amorese | 1994-01-04 |
| 5038520 | Manway lift assist | Franklyn J. Amorese, Douglas H. Rigerman | 1991-08-13 |