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:
01/18/1983
Application #:
06214860
Filing Dt:
12/10/1980
Inventors:
KARLHEINZ RAU, HORST LORENZ, OSWALD HUTH, LOTHAR VOLKMANN, KURT STENZEL
Title:
MELTING BURNER MADE OF VITREOUS SILICA FOR THE PRODUCTION OF MASSIVE VITREOUS SILICA
Assignment: 1
Reel/Frame:
003850/0221Recorded: 12/10/1980Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
12/05/1980
Exec Dt:
12/05/1980
Exec Dt:
12/05/1980
Exec Dt:
12/05/1980
Exec Dt:
12/05/1980
Assignee:
QUARZSTRASSE
6450 HANAU, GERMANY
Correspondent:
SPRUNG, FELFE, HORN, LYNCH & KRAMER
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 2
Reel/Frame:
008677/0739Recorded: 06/04/1997Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
05/28/1990
Assignee:
D-63450 HANNAU, GERMANY
Correspondent:
SPRUNG KRAMER SCHAEFFER & BRISCOE
KURT G. BRISCOE
660 WHITE PLAINS ROAD
TARRYTOWN, NY 10591-5144

Search Results as of: 05/13/2024 09:41 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