Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4990023 | Joint for assembling of sieve elements | Bogdan T. Ivanov, Ivan Y. Binbashiev, Mariela P. Popsavova | 1991-02-05 |
| 4758271 | Continuous copper drossing of lead | Theodoor W. Zegers, Philip M. Howard | 1988-07-19 |
| 4634520 | De-asphalting heavy crude oil and heavy crude oil/water emulsions | Paul W. M. Shibley | 1987-01-06 |
| 4498971 | Separation of bituminous material from oil sands and heavy crude oil | Paul W. M. Shibley | 1985-02-12 |