Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5356158 | Resilient rotary seal with projecting edge | Michael Rivkin, Arnold Kholodenko | 1994-10-18 |
| 5292137 | Rotary shaft sealing method and device | Leonid Zeltser, Arnold Kholodenko | 1994-03-08 |