Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7373946 | Vacuum tank assembly | James A. Sigler, Lorna K. Edmondson | 2008-05-20 |
| 6981285 | Toilet and method of operation | James A. Sigler, Nathan A. Snyder, Robert D. Krieder, Randall Thomas | 2006-01-03 |
| 6883188 | Toilet and method of operation | James A. Sigler, Nathan A. Snyder, Robert D. Krieder, Randall Thomas | 2005-04-26 |