Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9474988 | Variable speed system to motorize counterweight line sets | Charles B Shatzkin, Rodney F. Kaiser | 2016-10-25 |
| 7630318 | Filtering wireless network packets | Robert Ward | 2009-12-08 |