Patent Explorer
Browse, filter, and analyze 3 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US3817632A | Digital subtraction circuit for a centrifugal chemical analyzer of the rotating spectrophotometer type | Adaltis US Inc | Expired / Lapsed | 1972-09-21 | 1974-06-18 | 1992-09-21 | 0.0 yrs | 2 | |
| US3681029A | Sample holder and transferring device for a centrifuge | Adaltis US Inc | Expired / Lapsed | 1970-04-13 | 1972-08-01 | 1990-04-13 | 0.0 yrs | 0 | |
| US3669551A | Analog data reduction circuit for a rotating spectrophotometer wherein the light passing through a selected chamber is compared with all others | Adaltis US Inc | Expired / Lapsed | 1971-04-15 | 1972-06-13 | 1991-04-15 | 0.0 yrs | 0 |