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: 2
Patent #:
Issue Dt:
06/07/1983
Application #:
06304272
Filing Dt:
09/21/1981
Inventor:
BRUCE A. LANGE
Title:
GRINDING AIDS FOR GRANULAR BLAST FURNACE SLAG
Assignment: 1
Reel/Frame:
003931/0230Recorded: 11/06/1981Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
10/29/1981
Assignee:
62 WHITTEMORE AVE.
CAMBRIDGE 40, MASSACHUSETTS
Correspondent:
W. L. BAKER
PATENT DEPT.
W. R. GRACE & CO.
62 WHITTEMORE AVE.
CAMBRIDGE, MA 02140
Assignment: 2
Reel/Frame:
005206/0001Recorded: 08/24/1989Pages: 16
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
05/25/1988
Exec Dt:
05/25/1988
Assignee:
55 HAYDEN AVE.
LEXINGTON, MASSACHUSETTS 02173
Correspondent:
WILLIAM L. BAKER
55 HAYDEN AVENUE
LEXINGTON, MA 02173

Search Results as of: 05/09/2024 08:00 PM
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