Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6143257 | Dispenser | John R. Spriggs, Loleta T. Tolliver-Rogers, Daniel K. Boche, Ronald B. Howes, Jr. | 2000-11-07 |
| 5975352 | Dispenser | John R. Spriggs, Loleta T. Tolliver-Rogers, Daniel K. Boche, Ronald B. Howes, Jr. | 1999-11-02 |
| 5873268 | Dispenser | John R. Spriggs, Loleta T. Tolliver-Rogers, Daniel K. Boche, Ronald B. Howes, Jr. | 1999-02-23 |
| 5782109 | Dispenser | John R. Spriggs, Loleta T. Tolliver-Rogers, Daniel K. Boche, Ronald B. Howes, Jr. | 1998-07-21 |
| 5203366 | Apparatus and method for mixing and dispensing chemical concentrates at point of use | Stephen J. Czeck, Richard J. Mehus, Timothy A. Gutzmann, Richard Ruhr | 1993-04-20 |