Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6021832 | Self-contained and self-propelled machine and method for heat fusing polyolefin pipes | Arthur H. McElroy, II, David W. Porter, Richard A. Deaver | 2000-02-08 |
| 5814182 | Self-contained and self-propelled machine for heat fusing polyolefin pipes | Arthur H. McElroy, II, David W. Porter, Richard A. Deaver | 1998-09-29 |