Patent Assignment
Reel/Frame 075811/0154
Assignment of Assignor's Interest
Recorded: 2026-08-27
Pages: 3
Assignor
SARTORIUS STEDIM NORTH AMERICA INC.
Executed: 2021-02-19
Assignee
ESSEN INSTRUMENTS, INC. D/B/A ESSEN BIOSCIENCE, INC.
300 WEST MORGAN ROAD, ANN ARBOR, MICHIGAN, 48108
Covered Properties
(2)
Analytical Evaluation of Aqueous Liquid Media with Sample Monitoring Structure Having Size-Sensitive Fluorescent Hydrogel
Application:
19/700,761 →
Publication:
US US20260286416A1
Analytical Evaluation of Aqueous Liquid Media with Sample Monitoring Structure Having Size-Sensitive Fluorescent Hydrogel
Related Assignments
(6)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 27, 2026
From: REIF, OSCAR-WERNER
To: SARTORIUS STEDIM BIOTECH GMBH
Reel/Frame 075810/0232 →
Assignment of Assignor's Interest
Aug 27, 2026
From: SCHWELLENBACH, JAN
To: SARTORIUS STEDIM BIOTECH GMBH
Reel/Frame 075810/0497 →
Assignment of Assignor's Interest
Aug 27, 2026
From: OLSZOWY, MICHAEL W.
To: SARTORIUS STEDIM NORTH AMERICA INC.
Reel/Frame 075810/0724 →
Assignment of Assignor's Interest
Aug 27, 2026
From: SARTORIUS STEDIM BIOTECH GMBH
To: ESSEN INSTRUMENTS, INC. D/B/A ESSEN BIOSCIENCE, INC.
Reel/Frame 075810/0857 →
Merger
Aug 27, 2026
From: ESSEN INSTRUMENTS, INC. D/B/A ESSEN BIOSCIENCE, INC.
To: SARTORIUS BIOANALYTICAL INSTRUMENTS, INC.
Reel/Frame 075811/0667 →
Merger
Aug 27, 2026
From: ESSEN INSTRUMENTS, INC. D/B/A ESSEN BIOSCIENCE, INC.
To: SARTORIUS BIOANALYTICAL INSTRUMENTS, INC.
Reel/Frame 075811/0727 →