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Patent Assignment Assignor Details
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Assignor Name : BISCHOFF, ALBRECHT
Total Assignments: 6
Assignment: 1
Reel/Frame:003895/0817   Pages: 1
Recorded: 06/17/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BISCHOFF, ALBRECHT
Exec Dt:
06/07/1981
2
ALDINGER, FRITZ
Exec Dt:
06/07/1981
Assignee
1
W.C. HERAEUS GMBH
HERAEUSSTRASSE 12-14
A LIMITED LIABILITY COMPANY OF GERMANY
D-6450 HANAU, GERMANY
Property
 
Pat #
Pub #
Intl #
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4355082
NONE
06274528
Correspondence name and address
FRISHAUF, HOLTZ, GOODMAN & WOODWARD
261 MADISON AVE.
NEW YORK, NY 10016
Assignment: 2
Reel/Frame:004041/0415   Pages: 1
Recorded: 08/27/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
ALDINGER, FRITZ
Exec Dt:
08/17/1982
2
BISCHOFF, ALBRECHT
Exec Dt:
08/17/1982
3
KEILBERTH, RICHARD
Exec Dt:
08/23/1982
4
SPERNER, FRANZ
Exec Dt:
08/17/1982
Assignee
1
HERAEUS QUARZSCHMELZE GMBH, A LIMITED COMPANY OF GERMANY
PATENTABTEILUNG D-6450
HANAU, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4514589
NONE
06412292
Correspondence name and address
FRISHAUF, HOLTZ, GOODMAN & WOODWARD
261 MADISON AVE.
NEW YORK, NY 10016
Assignment: 3
Reel/Frame:004326/0659   Pages: 1
Recorded: 10/17/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BISCHOFF, ALBRECHT
Exec Dt:
10/11/1984
2
EISENTRAUT, HOLGER
Exec Dt:
10/11/1984
3
SCHMIDT, JOACHIM
Exec Dt:
10/11/1984
Assignee
1
W.C. HERAEUS GMBH, A LIMITED LIABILITY COMPANY OF GERMANY
HERAEUSSTRASSE 12-14
D-6450 HANAU, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4625228
NONE
06661934
Correspondence name and address
FRISHAUF, HOLTZ, GOODMAN AND
WOODWARD, 261 MADISON AVENUE
NEW YORK, NY 10016
Assignment: 4
Reel/Frame:020029/0819   Pages: 5
Recorded: 10/29/2007
Attorney Dkt #:200920.0028
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BISCHOFF, ALBRECHT
Exec Dt:
09/21/2007
2
FORDERER, HEINZ
Exec Dt:
09/27/2007
3
KRUGER, FRANK
Exec Dt:
09/22/2007
4
SCHRAPLER, LUTZ
Exec Dt:
10/23/2007
Assignee
1
W.C. HERAEUS GMBH
HERAEUSSTRASSE 12-14
HANAU, GERMANY 63450
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7645522
US20080076251
11851407
Correspondence name and address
WILLIAM W. SCHWARZE
AKIN GUMP STRAUSS HAUER & FELD LLP
ONE COMMERCE SQUARE, STE 2200
PHILADELPHIA, PA 19103
Assignment: 5
Reel/Frame:020173/0232   Pages: 7
Recorded: 11/29/2007
Attorney Dkt #:200920.0028
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE INVENTOR NAMES LISTED INCORRECTLY PREVIOUSLY RECORDED ON REEL 020029 FRAME 0081. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT OF ASSIGNOR'S INTEREST.
Assignors
1
BISCHOFF, ALBRECHT
Exec Dt:
09/21/2007
2
FOERDERER, HEINZ
Exec Dt:
09/27/2007
3
SCHRAEPLER, LUTZ
Exec Dt:
09/23/2007
4
KRUEGER, FRANK
Exec Dt:
09/22/2007
Assignee
1
W. C. HERAEUS GMBH
HERAEUSSTRASSE 12-14
HANAU, GERMANY 63450
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7645522
US20080076251
11851407
Correspondence name and address
WILLIAM W. SCHWARZE
AKIN GUMP STRAUSS HAUER & FELD LLP
ONE COMMERCE SQUARE, STE 2200
PHILADELPHIA, PA 19103
Assignment: 6
Reel/Frame:021748/0373   Pages: 4
Recorded: 10/28/2008
Attorney Dkt #:12278844
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BISCHOFF, ALBRECHT
Exec Dt:
08/09/2008
2
SCHRAEPLER, LUTZ
Exec Dt:
09/03/2008
3
ZINGG, HOLGER
Exec Dt:
08/26/2008
Assignee
1
W.C. HERAEUS GMBH
HERAEUSSTRASSE 12-14
HANAU, GERMANY 63450
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090022621
12278844
Correspondence name and address
SHERYL NEUMANN (920-40US)
PANITCH SCHWARZE BELISARIO & NADEL LLP
2005 MARKET STREET, SUITE 2200
PHILADELPHIA, PA 19103-7013

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