Issued Patents All Time
Showing 151–166 of 166 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6874289 | Starter strip shingle and roof having same | Stephen A. Koch, Robert L. Jenkins | 2005-04-05 |
| 6808785 | Synthetic roofing shingle or tile | Michael Friedman, Joong Youn Kim, Thomas Kevin MacKinnon | 2004-10-26 |
| 6758019 | Shingle with improved blow-off resistance | Robert L. Jenkins, Stephen A. Koch | 2004-07-06 |
| 6467235 | Method and apparatus for making a thick-appearing shingle | Kermit E. Stahl, Joseph Quaranta | 2002-10-22 |
| 6212843 | Thick-appearing shingle and method and apparatus for making same | Kermit E. Stahl, Joseph Quaranta | 2001-04-10 |
| 6205734 | Shingle | Joseph Quaranta, Kermit E. Stahl | 2001-03-27 |
| 6092345 | Method of making a shingle | Joseph Quaranta, Kermit E. Stahl | 2000-07-25 |
| 5961780 | Apparatus for making a shingle | Joseph Quaranta, Kermit E. Stahl | 1999-10-05 |
| 5953877 | Shingle | Joseph Quaranta, Kermit E. Stahl | 1999-09-21 |
| 5950387 | Wind-resistant shingle and method of applying | Kermit E. Stahl, Robert L. Jenkins, R. Allan Snyder | 1999-09-14 |
| 5488807 | Two element shingle | Louis A. Terrenzio, Michael J. Noone | 1996-02-06 |
| 5437923 | Halogen-free flame-retardent bitumen roofing composition | — | 1995-08-01 |
| 5206068 | Surfacing for polymer modified or unmodified bitumen roofing membranes | — | 1993-04-27 |
| D314628 | Shingle | Robert L. Jenkins, John Klein, Michael J. Noone, Kermit E. Stahl, Phillip H. Whitford | 1991-02-12 |
| D314439 | Shingle | Robert L. Jenkins, John Klein, Michael J. Noone, Kermit E. Stahl, Phillip H. Whitford | 1991-02-05 |
| 4757652 | Roofing product | — | 1988-07-19 |