Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5285560 | Method for repairing a screen plate assembly | William A. Gero | 1994-02-15 | |
| 5139154 | Wear screen plate and method of manufacture thereof | William A. Gero | 1992-08-18 | $3,558,000 |
| 5041214 | Wave screen plate | William A. Gero | 1991-08-20 | $2,486,000 |
| 5041212 | Efficiency screen plate for screening pulp | William A. Gero | 1991-08-20 | $2,486,000 |
| 5023986 | Method of manufacturing a wave screen plate | William A. Gero | 1991-06-18 | $5,742,000 |
| 4954249 | Wave screen plate | William A. Gero | 1990-09-04 | $909,000 |
| 4706900 | Retrofitable coiled spring system | Robert S. Prairie | 1987-11-17 | $2,631,000 |
| 4538768 | Pulverizer journal bearing system | Peter Stanwicks | 1985-09-03 | $910,000 |