Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4462804 | High bulk density particulate heavy duty laundry detergent | Virgil J. Richter, Harold E. Wixon, Joseph B. Wraga | 1984-07-31 |
| 4457854 | High bulk density carbonate-zeolite built heavy duty nonionic laundry detergent | Virgil J. Richter, Harold E. Wixon, Joseph B. Wraga | 1984-07-03 |
| 4406808 | High bulk density carbonate-zeolite built heavy duty nonionic laundry detergent | Virgil J. Richter, Harold E. Wixon, Joseph B. Wraga | 1983-09-27 |
| 4399048 | High bulk density particulate heavy duty laundry detergent | Virgil J. Richter, Harold E. Wixon, Joseph B. Wraga | 1983-08-16 |
| 4264464 | High bulk density particulate heavy duty laundry detergent | Virgil J. Richter, Harold E. Wixon, Joseph B. Wraga | 1981-04-28 |