Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5329999 | Annular safety system | Pat M. White | 1994-07-19 |
| 4840229 | Multiple position service seal unit with positive position indicating means | Colby M. Ross, Brian P. Manzi, Frank Giusti, Jr. | 1989-06-20 |
| 4722392 | Multiple position service seal unit with positive position indicating means | Colby M. Ross, Brian P. Manzi, Frank Giusti, Jr. | 1988-02-02 |