Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8169093 | Method and apparatus for extracting energy from wind and wave motion | Philip J Griffin, Brian Kinloch Kirke | 2012-05-01 |
| 4468302 | Processing copper-nickel matte | Eric L. Frueh | 1984-08-28 |
| 4351705 | Refining copper-bearing material contaminated with nickel, antimony and/or tin | Runyon G. Ernst, deceased, by Margaret Ernst, executrix, William R. Opie, Harold P. Rajcevic | 1982-09-28 |
| 4269172 | Solar water-heating apparatus | Robert N. Walton, Lawrence J. Walton | 1981-05-26 |