Issued Patents All Time
Showing 25 most recent of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8679272 | Run-flat pneumatic tire assembly and method | — | 2014-03-25 |
| 8561661 | Run-flat pneumatic tire assembly and method | — | 2013-10-22 |
| 6598634 | Cured tire including encapsulated high modulus composite | Russell W. Koch, Charles D. Spragg, James M. Kirby | 2003-07-29 |
| 6470937 | Run flat pneumatic tire and anticlastic band element therefor | Charles D. Spragg, Stephen M. Vossberg, James M. Kirby | 2002-10-29 |
| 6460586 | Multi-region band element for run flat tire | Charles D. Spragg, James M. Kirby | 2002-10-08 |
| 6439288 | Pneumatic tire with variable thickness band element | Charles D. Spragg, Stephen M. Vossberg, James M. Kirby | 2002-08-27 |
| 6436215 | Band element for pneumatic tire and method of making same | Charles D. Spragg, James M. Kirby | 2002-08-20 |
| 6420005 | Band element for pneumatic tire | Charles D. Spragg, James M. Kirby | 2002-07-16 |
| 6405773 | Run flat pneumatic tire and band element therefor | Stephen M. Vossberg, Charles D. Spragg | 2002-06-18 |
| 6363986 | Band element and method for building same for a run flat banded tire | Charles D. Spragg, James M. Kirby | 2002-04-02 |
| 6321808 | Expandable band for run flat tire and method of making | Charles D. Spragg, James M. Kirby | 2001-11-27 |
| 6148885 | Pneumatic tire with band element | Charles D. Spragg, James M. Kirby | 2000-11-21 |
| 6117258 | Band element and method for building same for a run flat banded tire | Charles D. Spragg, James M. Kirby | 2000-09-12 |
| 6112791 | Pneumatic tire with band element having tapered end portions | Charles D. Spragg, James M. Kirby | 2000-09-05 |
| 5879484 | Run flat banded pneumatic tire | Charles D. Spragg, Thomas W. Bell | 1999-03-09 |
| 5000518 | Tire sidewall augmentation device | — | 1991-03-19 |
| 4953291 | Tire interior support system | — | 1990-09-04 |
| 4794966 | Run-flat tire incorporating band segment and coil members | — | 1989-01-03 |
| D298025 | Non-pneumatic wheel or similar article | — | 1988-10-11 |
| D297425 | Non-pneumatic wheel or similar article | — | 1988-08-30 |
| 4739810 | Convoluted cone wheel | — | 1988-04-26 |
| 4734144 | Banded-tire building method | — | 1988-03-29 |
| 4708186 | Segmented-band banded tire | Michael A. Kopsco | 1987-11-24 |
| 4705087 | Convoluted cone wheel | — | 1987-11-10 |
| 4685641 | Transient air and surface contact vehicle | Jerome Kirsch, M. Alan Kopsco, Michael Sturm | 1987-08-11 |