Patents
US 12579397 B1: Verification of RFID activation using tamper evident loop
- Granted
- 2026-03-17
- Filed
- 2024-09-13 application 18884614
- Type
- Utility · 22 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Devices and methods for Verification of RFID Activation Using Tamper Evident Loops are disclosed herein. An example is provided by an RF tag, including an antenna, an integrated circuit, an electrical circuit, electrically connected to the integrated circuit, an activation branch, included in the electrical circuit, an activation indicator component, coupled to the activation branch, having a component conductive state and component nonconductive state, an indicator branch, defining a parallel circuit with the activation branch, included in the electrical circuit, and an activatable environmental exposure indicator, coupled to the indicator branch, having an indicator conductive state and an indicator nonconductive state.
Source: PTBLXML, file of 2026-03-17 (ipgb20260317.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| ZEBRA TECHNOLOGIES CORPORATION 1,077 patents | US company or organization | Lincolnshire, IL | ZEBRA TECHNOLOGIES CORP SEC filer FUZZY low confidence: same name (legal endings aside), one of each nationally | PTBLXML, file of 2026-03-17 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Sean MacDavitt | Locust Valley, NY | 2 | PTBLXML, file of 2026-03-17 | |
| Mohannad Abdo | Clifton, NJ | 51 | PTBLXML, file of 2026-03-17 | |
| Eric W. Liberato | Pequannock, NJ | 16 | PTBLXML, file of 2026-03-17 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| G06K | Graphical data reading ; presentation of data; record carriers; handling record carriers | G06K19/0717 | PTBLXML, file of 2026-03-17 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2025-05-29 | Merger Merger | TEMPTIME CORPORATION signed 2025-05-22 | ZEBRA TECHNOLOGIES CORPORATION LINCOLNSHIRE, IL | 71548/54 | PASDL, file of 2026-10-15 |
| 2024-10-03 | Assignment Assignment of assignor's interest | MACDAVITT, SEAN signed 2024-09-12 ABDO, MOHANNAD signed 2024-09-12 LIBERATO, ERIC W. signed 2024-09-12 | TEMPTIME CORPORATION MORRIS PLAINS, NJ | 68782/660 | PASDL, file of 2026-10-15 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.