Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D462461 | Hip and ridge cover | Randal J. Jolitz | 2002-09-03 |
| 6399678 | Silicone-aggregate mixtures for pumping and spraying applications | Mark Thomas Hensley | 2002-06-04 |
| 6027038 | Apparatus and method for mixing and spraying high viscosity mixtures | Mark Thomas Hensley, Ernest Bennett Mills, Bennett Allen Mills | 2000-02-22 |
| 5822943 | Hurricane resistant shingle | Randal J. Jolitz | 1998-10-20 |
| 5110674 | Flame retardant bitumen | Louis L. Grube | 1992-05-05 |
| 5055135 | Flame retardant bitumen | Louis L. Grube | 1991-10-08 |
| 4825616 | Roofing shingle | Alfredo A. Bondoc, Frederick W. Sieling | 1989-05-02 |
| 4795661 | Process for the manufacture of asphalt shingles | Alfredo A. Bondoc, Duane A. Davis, Bruno E. Magnus | 1989-01-03 |
| 4717614 | Asphalt shingle | Alfredo A. Bondoc, Duane A. Davis, Bruno E. Magnus | 1988-01-05 |