Extol Inc.
Records under this name other than the patents Extol 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 3 patents it holds.
Showing 1 to 3 of 3 · Back to Extol Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,006,763 | Method and apparatus for infrared welding of thermoplastic parts Term ended Term ended Aug 27, 2021 · From the USPTO record | Term ended | Term ended Aug 27, 2021 | From the USPTO record |
| US 6,544,022 | Heat staking head with radiant heat source Term ended Ended no later than Mar 20, 2020 · From the USPTO record | Term ended | Ended no later than Mar 20, 2020 | From the USPTO record |
| US 6,099,291 | Heat staking apparatus with radiant heat source Term ended Term ended Dec 29, 2018 · From the USPTO record | Term ended | Term ended Dec 29, 2018 | From the USPTO record |