Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4902433 | Equipment and method for filtration using a fabric of polyacrylonitrile fibers | David E. Graham, Malcolm McKechnie | 1990-02-20 |
| 4780109 | Coal water suspensions involving carbon black | Donald P. Malone | 1988-10-25 |
| 4684457 | Method for desalting crude oil | Malcolm McKechnie | 1987-08-04 |
| 4670301 | Method and apparatus for coating the spiral weld seam of pipe | Gary J. Jaremco | 1987-06-02 |
| 4596653 | Demulsifying process | David E. Graham, Werner A. Lidy, Patrick C. McGrath | 1986-06-24 |
| 4282645 | Method of assembling an encapsulated chip capacitor | John T. Ogilvie | 1981-08-11 |
| 4247883 | Encapsulated capacitor | John T. Ogilvie | 1981-01-27 |