skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Abstract of Title
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Total Assignments: 1
Patent #:
Issue Dt:
11/07/2023
Application #:
17349562
Filing Dt:
06/16/2021
Publication #:
Pub Dt:
12/23/2021
Inventors:
William R. Betz, Michael J. Keeler, Curtis W. Frantz, Jay M. Jones, William Maule et al
Title:
HPLC CARBON WITH NARROW PARTICLE SIZE DISTRIBUTION
Assignment: 1
Reel/Frame:
057340/0878Recorded: 08/31/2021Pages: 14
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
06/17/2021
Exec Dt:
06/18/2021
Exec Dt:
06/18/2021
Exec Dt:
06/24/2021
Exec Dt:
06/18/2021
Exec Dt:
08/05/2021
Exec Dt:
06/18/2021
Exec Dt:
06/18/2021
Exec Dt:
06/18/2021
Assignee:
3050 SPRUCE STREET
ST. LOUIS, MISSOURI 63103
Correspondent:
SIGMA-ALDRICH CO. LLC
C/O MILLIPORESIGMA
400 SUMMIT DRIVE
BURLINGTON, MA 01824

Search Results as of: 11/10/2024 01:55 AM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT