Marshall Electronics, Inc.
Records under this name other than the patents Marshall Electronics, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 6 patents it holds.
Showing 1 to 3 of 3 · Back to Marshall Electronics, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US D594,856 | Microphone Term ended Term ended Jun 23, 2023 · From the USPTO record | Term ended | Term ended Jun 23, 2023 | From the USPTO record |
| US 6,164,534 | Method and apparatus for accessing electronic data via a familiar printed medium Term ended Term ended May 20, 2019 · From the USPTO record | Term ended | Term ended May 20, 2019 | From the USPTO record |
| US 4,269,058 | Method and apparatus for determining the accuracy of a sphygmomanometer Term ended Term ended no later than May 26, 2001 · Low confidence | Term ended | Term ended no later than May 26, 2001 | Low confidence |