Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6024515 | Live service pipe insertion apparatus and method | Greg Konwinski, Robert E. Barrett, Charles Re, Randall Doctor, Frank Poskocil +1 more | 2000-02-15 |
| 5028078 | Tube fitting with variable tube insertion | Albert J. Schwarz, Richard W. Moerhing | 1991-07-02 |
| 4927116 | Plug valve | Albert J. Schwarz | 1990-05-22 |