Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669560 | Non-pulpables collection chamber with removable basket for solid waste pulpers | William K. Upton, III, William E. Schneider, Stuart H. Brown, Steven A. Stetz, Jack L. McCrea | 1997-09-23 |
| 5551641 | Non-pulpables collection chamber with removable basket for solid waste pulpers | William K. Upton, III, William E. Schneider, Stuart H. Brown, Steven A. Stetz, Jack L. McCrea | 1996-09-03 |
| 5464161 | Solid waste pulper | William K. Upton, III, William E. Schneider, Stuart H. Brown, Steven A. Stetz, Jack L. McCrea | 1995-11-07 |