| Number | Name | Date | Kind |
|---|---|---|---|
| 3674148 | Miller et al. | Jul 1972 |
| Entry |
|---|
| Imbibitive Technologies Corp., "Gravity Flow Drain," 1995. |
| Imbibitive Technologies Corp., "Imbiber Disk Housing," 1995. |
| Imbibitive Technologies Corp., "Imbiber Disk," 1995. |
| Imbibitive Technologies America, "Imtech U.K. Ltd. installs 1st ever (Class II) Imtech Containment Unit (I.C.U.) London Electricity/National Grid Substation, Hackney (London, U.K.) Sep. 25, 1996," reference itself published ca. Dec. 1996. |