Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6126369 | Hot tap tool | — | 2000-10-03 |
| 5844134 | Gas meter cabinet and unitary manifold | — | 1998-12-01 |
| 5654505 | Gas meter cabinet and unitary manifold | — | 1997-08-05 |
| 5595207 | Tension actuated gas shutoff valve | — | 1997-01-21 |
| 5358010 | Dual purpose pipe stopper mechanism | — | 1994-10-25 |
| 5058620 | Insertion assembly for boring a hole in a pipe | — | 1991-10-22 |
| 5054512 | Insertion assembly for a pipe stopper | — | 1991-10-08 |
| 5052431 | Pipeline repair method and apparatus | — | 1991-10-01 |
| 5050310 | Plastic-pipe ovality gauge | — | 1991-09-24 |
| 5044393 | Shell cutter | — | 1991-09-03 |
| 5038818 | Insertion assembly for a pipe completion plug | — | 1991-08-13 |
| 5020401 | Universal plastic-pipe tool | — | 1991-06-04 |
| 4977681 | Bore Gauge | — | 1990-12-18 |
| 4501070 | Pipe thread gauging tool | — | 1985-02-26 |