Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9128345 | Electrochromic device having an improved fill port plug | Steven J. Veenman, William L. Tonar, Joel A. Stray, Leroy J. Kloeppner, David L. Poll +2 more | 2015-09-08 |
| 8891154 | Electrochromic device having an improved fill port plug | Steven J. Veenman, William L. Tonar, Joel A. Stray, Leroy J. Kloeppner, David L. Poll +2 more | 2014-11-18 |
| 8345345 | Electrochromic device having an improved fill port plug | Steven J. Veenman, William L. Tonar, Joel A. Stray, Leroy J. Kloeppner, David L. Poll +2 more | 2013-01-01 |
| 7884995 | Electrochromic device having an improved fill port plug | William L. Tonar, Joel A. Stray, Steven J. Veenman, Leroy J. Kloeppner, David L. Poll +1 more | 2011-02-08 |