Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5758907 | Mis-adjustment limiting segmented pipe coupling | Douglas R. Dole | 1998-06-02 |
| 5390814 | Container having fitment | William C. Christine | 1995-02-21 |
| 5391163 | Pouch for administering medical fluids | William C. Christine | 1995-02-21 |
| 4893843 | Lubricant-free elastomeric gasket | — | 1990-01-16 |
| 4702499 | Hingeable segmented pipe couplings | Robert Rung | 1987-10-27 |