Grace Engineering Corp.
Records under this name other than the patents Grace Engineering Corp. 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 44 patents it holds.
Back to Grace Engineering Corp.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,314,419 | Archery Small Game Arrowhead Term ended Term ended Jul 31, 2026 · High confidence | Term ended | Term ended Jul 31, 2026 | High confidence |
| US 8,784,628 | E-Coating Method for Archery Bow Components Lapsed on the fee record Ended Jul 22, 2026 · Medium confidence | Lapsed on the fee record | Ended Jul 22, 2026 | Medium confidence |
| US 7,278,216 | Archery Bow Sight Term ended Term ended May 11, 2026 · High confidence | Term ended | Term ended May 11, 2026 | High confidence |
| US 8,544,456 | Adjustable Draw Stop for Archery Bows Lapsed on the fee record Ended Oct 1, 2025 · High confidence | Lapsed on the fee record | Ended Oct 1, 2025 | High confidence |
| US 7,234,220 | Method of Manufacturing a Sliding Blade Broadhead Term ended Term ended Sep 7, 2025 · High confidence | Term ended | Term ended Sep 7, 2025 | High confidence |
| US 8,371,283 | Cable Guard and Guides for Archery Bows Lapsed on the fee record Ended Feb 12, 2025 · High confidence | Lapsed on the fee record | Ended Feb 12, 2025 | High confidence |
| US 8,372,478 | Method for Powder Coating and Decorative Printing Lapsed on the fee record Ended Feb 12, 2025 · High confidence | Lapsed on the fee record | Ended Feb 12, 2025 | High confidence |
| US 8,365,713 | Bowstring Suppressor Lapsed on the fee record Ended Feb 5, 2025 · High confidence | Lapsed on the fee record | Ended Feb 5, 2025 | High confidence |
| US 8,109,261 | Archery String Nock Lapsed on the fee record Ended Feb 7, 2024 · High confidence | Lapsed on the fee record | Ended Feb 7, 2024 | High confidence |
| US 6,935,976 | Mechanical Broadhead with Sliding Blades Term ended Term ended Jan 22, 2024 · High confidence | Term ended | Term ended Jan 22, 2024 | High confidence |