Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10248672 | Methods and systems for assessing data quality | Rajesh Jugulum, Rajalakshmi Ramachandran, Jagmeet Singh, Robert A. Granese, Harold Ian Joyce +1 more | 2019-04-02 |
| 9862861 | Waterproofing compositions and methods | Paul L. Boddy, Donald Leroy McDowell | 2018-01-09 |
| 6979705 | Water based coal tar emulsions | Donald Leroy McDowell, Joseph F. Duda, Brian D. D'Anza | 2005-12-27 |
| 6360511 | Methods of re-coating and re-covering bitumen-based built-up roofing membranes | Ken Chernotowich | 2002-03-26 |
| 6127292 | Coal tar impregnated reinforcement sheets | Ken Chernotowich | 2000-10-03 |
| 6110846 | Built-up roofing systems and methods | Ken Chernotowich | 2000-08-29 |
| 5969013 | Coal tar compositions | Ken Chernotowich | 1999-10-19 |