Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880140 | Filter-separator pour-out cap | William J. Hillegas | 1989-11-14 |
| 4829004 | Roller bottle system | James Varani, William J. Hillegas, David L. Melmoth | 1989-05-09 |
DS
David E. Solomon
Overall (1989): #29,297 of 140,708Top 25%
2
Patents 1989