Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6233894 | Guardrail system for an apparatus movable along a roof structure | Ernest Craig Abney, Dennis K. Wenrick, Clinton A. Plant | 2001-05-22 |
| 6195958 | Apparatus for propelling a carriage along the length of purlins of a roof structure | Ernest Craig Abney, James A. Martin, Jr. | 2001-03-06 |
| 6101782 | Electrical controller for roofing apparatus | Ernest Craig Abney, Mark R. WAUGH | 2000-08-15 |
| 6056231 | Pushing member for apparatus for paying out a roll of insulation material | Dennis K. Wenrick, Ernest J. Plant | 2000-05-02 |
| 5911385 | Tapered roller guide for apparatus for paying out an insulation support sheet | Dennis K. Wenrick, Ernest J. Plant | 1999-06-15 |
| 5720147 | Method of insulating metal deck roof structures | Dennis K. Wenrick, Richard T. Janicki | 1998-02-24 |