Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8124875 | Aluminum grounding cable for metal and non metal sheathed electrical cables | Mark Hartley, Doug Drysdale, Hal Armstrong, Sidney Wierstra, Dave Hawker | 2012-02-28 |
| 7132604 | Cable with an external extruded sheath and method of manufacturing of the cable | Ralf Scheidecker, Horst Reinhard, Peter Schwirblies, Hal Armstrong | 2006-11-07 |
| 5427643 | Method of using an adhesive tape for overcoating splices in polymer coated metal tapes and method of using the same | Richard W. Demianyk | 1995-06-27 |