Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6233894 | Guardrail system for an apparatus movable along a roof structure | Ernest Craig Abney, Don Albert Neifer, Clinton A. Plant | 2001-05-22 |
| 6056231 | Pushing member for apparatus for paying out a roll of insulation material | Don Albert Neifer, Ernest J. Plant | 2000-05-02 |
| 5911385 | Tapered roller guide for apparatus for paying out an insulation support sheet | Don Albert Neifer, Ernest J. Plant | 1999-06-15 |
| 5884449 | Wind protection for apparatus for paying out an insulation support sheet | Robert J. Alderman, James E. Taylor | 1999-03-23 |
| 5720147 | Method of insulating metal deck roof structures | Don Albert Neifer, Richard T. Janicki | 1998-02-24 |
| 5685123 | Roller guides for apparatus for paying out an insulation support sheet | Robert J. Alderman, James E. Taylor | 1997-11-11 |
| 5653081 | Method for paying out an insulation support sheet for use with an insulated roof structure | Robert J. Alderman, James E. Taylor, Ernest J. Plant | 1997-08-05 |