Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5820752 | Methods and apparatus for recycling used antifreeze/coolant | Norman D. Berke, Aleksei V. Gershun, Peter M. Woyciesjes, Robert J. Rosvally | 1998-10-13 |
| 5804063 | Cooling system change-over apparatus and process | Richard F. Creeron, Aleksei V. Gershun, Peter M. Woyciesjes | 1998-09-08 |
| 5571420 | Cooling system change over apparatus and process | Richard F. Creeron, Aleksei V. Gershun, Peter M. Woyciesjes | 1996-11-05 |
| 5510036 | Process for treatment of aqueous solutions of polyhydric alcohols | Peter M. Woyciesjes, Aleksei V. Gershun | 1996-04-23 |
| 5422008 | Reinhibition of recycled antifreeze/coolant | Peter M. Woyciesjes, Aleksei V. Gershun | 1995-06-06 |
| 5223144 | Process for treatment of aqueous soluions of polyhydric alcohols | Peter M. Woyciesjes, Aleksei V. Gershun | 1993-06-29 |