Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6125868 | Method and apparatus for maintaining valves in a water distribution system | Kevin Patrick Murphy, Garland Y. Smith | 2000-10-03 |
| 4691339 | Address code arrangements | Ming Wong, Peter R. Sugden | 1987-09-01 |
| 4291920 | In situ exploitation of deep set porphyry ores | Peter J. Lingane, Won C. Park, Robert A. Hard, Walter W. Harvey | 1981-09-29 |