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 Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Reel/Frame:005402/0490   Pages: 3
Recorded: 07/24/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Total properties: 1
1
Patent #:
Issue Dt:
05/25/1993
Application #:
07557371
Filing Dt:
07/24/1990
Title:
PROCESS FOR PREPARING A DENSIFIED BETA-PHASE SILICON NITRIDE MATERIAL HAVING AT LEAST ONE DENSIFICATION AID, AND THE MATERIAL RESULTING THEREFROM
Assignors
1
Exec Dt:
07/11/1990
2
Exec Dt:
07/11/1990
Assignee
1
EATON CENTER
CLEVELAND, OHIO 44114
Correspondence name and address
LYNN E. CARGILL
30700 TELEGRAPH, SUITE 4550
BIRMINGHAM, MI 48010

Search Results as of: 06/24/2024 07:41 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