IP Library › Granted Patent US 12,721,166
Granted Patent B2
US 12,721,166 · App. 18/447,793 · Granted Aug 25, 2026

Controlling an iron slurry in semiconductor assembly

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Quick Facts
Patent No.
US 12,721,166
App. No.
18/447,793
Filed
Aug 10, 2023
Granted
Aug 25, 2026
Kind
B2
Art Unit
2898
USPC
438/3
Assignments (3)
CORRECTIVE ASSIGNMENT TO CORRECT THE DATE OF INVENTOR #2'S SIGNATURE PREVIOUSLY RECORDED AT REEL: 064554 FRAME: 0889. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT. Recorded Oct 26, 2023
From: SUMMERVILLE, MARK; ANNUNZIATA, THOMAS; RINGUETTE, JUSTIN MICHAEL; HEIDENFELDT, MARK CHRISTOPHER; COLLINS, SANDY
To: LENOVO (UNITED STATES) INC.
Reel/Frame 065425/0309 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 17, 2023
From: LENOVO (UNITED STATES) INC.
To: LENOVO (SINGAPORE) PTE. LTD.
Reel/Frame 065256/0382 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 10, 2023
From: SUMMERVILLE, MARK K.; ANNUNZIATA, THOMAS E.; RINGUETTE, JUSTIN; HEIDENFELDT, MARK CHRISTOPHER; COLLINS, SANDY
To: LENOVO (UNITED STATES) INC.
Reel/Frame 064554/0889 →
Continuity (1)
Related Publication 20250054835A1 · Feb 13, 2025
References Cited (6)
US 3215572A · Papell · 1965 [cited by examiner]
US 5231834A · Burnett · 1993 [cited by examiner]
US 10030896B1 · Dariavach · 2018 [cited by examiner]
US 20200126699A1 · Ghasemi · 2020 [cited by examiner]
US 20240200281A1 · Lounsbery · 2024 [cited by examiner]
US 20250054833A1 · Summerville et al. · 2025 [cited by applicant]