Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10060091 | Alignment tool for a manway cover | — | 2018-08-28 |
| 9915279 | Pull-up bolt assembly | — | 2018-03-13 |
| 9764892 | Cover alignment tool | — | 2017-09-19 |
| 9752296 | Alignment tool for a manway cover | — | 2017-09-05 |
| 9752297 | Cover alignment tool | — | 2017-09-05 |
| 9631658 | Pull-up bolt assembly | — | 2017-04-25 |
| 8784024 | Pull-up bolt assembly | Ronald A. Lison, Edward T. Vitone, Jr. | 2014-07-22 |
| 8763850 | Portable manway cover hinge device and methods | — | 2014-07-01 |
| 8499501 | Portable manway cover hinge device | James J. Porebski | 2013-08-06 |
| 8038031 | Portable manway cover hinge device | James J. Porebski | 2011-10-18 |
| 7931168 | Portable manway cover hinge device | James J. Porebski | 2011-04-26 |
| 7810671 | Portable manway cover hinge device and methods | — | 2010-10-12 |
| 7556160 | Portable lift, support, removal and/or installation system and method | James J. Porebski | 2009-07-07 |
| 6786343 | Portable lift, support and/or installation system and method | James J. Porebski | 2004-09-07 |