Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7230696 | Calibration of instruments for measuring the permeability of a material | — | 2007-06-12 |
| 7224447 | System and method for measuring the permeability of a material | Kenneth E. Rudolph, Jr., Ronald Ölschläger, Tino Häupke | 2007-05-29 |
| 6020969 | Cigarette making machine including band inspection | Andrew D. Struckhoff, Lee Cramer, Steven F. Spiers, Gordon H. Bokelman, Mark W. Roth | 2000-02-01 |