Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8065884 | Composition and methods for injection of sealants into air conditioning and refrigeration systems | Paul Appler, George E. Cranton | 2011-11-29 |
| 8033681 | LED work light | Donald L. Klipstein, Sarah Dobbin, Robert Tod Whitfield, Bjarki Hallgrimsson, Lorne Hilts | 2011-10-11 |
| 7950818 | LED lamps and LED driver circuits for the same | Donald L. Klipstein | 2011-05-31 |