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

Assignor Name : SCHROECK, CALVIN W.
Total Assignments: 14
Assignment: 1
Reel/Frame:003971/0225   Pages: 1
Recorded: 12/24/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
12/22/1981
2
Exec Dt:
12/22/1981
Assignee
1
29400 LAKELAND BLVD.
A CORP. OF OH
WICKLIFFE, OHIO 44092
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06334251
Correspondence name and address
MAKY, RENNER, OTTO & BOISSELLE
ONE PUBLIC SQ., 12TH FLR.
CLEVELAND, OH 44113
Assignment: 2
Reel/Frame:004125/0582   Pages: 1
Recorded: 04/25/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
04/22/1983
Assignee
1
29400 LAKELAND BLVD.
A CORP. OF OHIO
WICKLIFFE, OHIO 44092
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06488569
Correspondence name and address
THE LUBRIZOL CORPORATION
PATENT DEPARTMENT-DOCKET CLERK
29400 LAKELAND BOULEVARD
WICKLIFFE, OH 44092
Assignment: 3
Reel/Frame:004147/0324   Pages: 2
Recorded: 06/27/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
06/23/1983
Assignee
1
29400 LAKELAND BLVD.
A OHIO CORP.
WICKCLIFF, OHIO
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06508369
Correspondence name and address
THE LUBRIZOL CORP.
PATENT DEPT. - DOCKET CLERK
29400 LAKELAND BLVD.
WICKLIFFE, OH 44092
Assignment: 4
Reel/Frame:004830/0295   Pages: 3
Recorded: 02/08/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
03/13/1986
2
Exec Dt:
03/13/1986
3
Exec Dt:
03/13/1986
4
Exec Dt:
03/13/1986
Assignee
1
29400 LAKELAND BLVD.
WICKLIFFE, OHIO 44092
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06839754
Correspondence name and address
THE LUBRIZOL CORPORATION
PATENT DEPT., DOCKET CLERK
29400 LAKELAND BLVD.
WICKLIFFE, OH 44092
Assignment: 5
Reel/Frame:004829/0494   Pages: 2
Recorded: 01/15/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
01/14/1988
Assignee
1
29400 LAKELAND BOULEVARD
WICKLIFFE, OHIO 44092
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07144369
Correspondence name and address
THE LUBRIZOL CORP.
PATENT DEPT. - DOCKET CLERK
29400 LAKELAND BLVD.
WICKLIFFE, OH 44092
Assignment: 6
Reel/Frame:004903/0845   Pages: 2
Recorded: 06/13/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
06/13/1988
2
Exec Dt:
06/13/1988
Assignee
1
29400 LAKELAND BOULEVARD
WICKLIFFE, OHIO 44092
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07206113
Correspondence name and address
RENNER, OTTO, BOISSELLE & SKLAR
ONE PUBLIC SQUARE
TWELFTH FLOOR
CLEVELAND, OHIO 44113
Assignment: 7
Reel/Frame:004952/0625   Pages: 2
Recorded: 08/01/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
07/29/1988
2
Exec Dt:
07/29/1988
Assignee
1
OHIO
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07202795
Correspondence name and address
DENIS A. POLYN
GENERAL PATENT COUNSEL
THE LUBRIZOL CORP.
29400 LAKELAND BLVD.
WICKLIFFE, OH 44092
Assignment: 8
Reel/Frame:004934/0574   Pages: 2
Recorded: 09/08/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
09/07/1988
2
Exec Dt:
09/07/1988
Assignee
1
29400 LAKELAND BOULEVARD
WICKLIFFE, OHIO 44092
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07242038
Correspondence name and address
RENNER, OTTO, BOISSELLE & SKLAR
ONE PUBLIC SQUARE
TWELFTH FLR.
CLEVELAND, OH 44113
Assignment: 9
Reel/Frame:006058/0303   Pages: 5
Recorded: 03/05/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
03/05/1992
2
Exec Dt:
03/05/1992
3
Exec Dt:
03/05/1992
4
Exec Dt:
03/05/1992
Assignee
1
29400 LAKELAND BOULEVARD
WICKLIFFE, OHIO 44092
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07847767
Correspondence name and address
JAMES L. CORDEK
THE LUBRIZOL CORPORATION
29400 LAKELAND BOULEVARD
WICKLIFFE, OH 44092-2298
Assignment: 10
Reel/Frame:006408/0687   Pages: 4
Recorded: 02/19/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
12/03/1992
2
Exec Dt:
12/04/1992
Assignee
1
29400 LAKELAND BOULEVARD
WICKLIFFE, OHIO 44092
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07962382
Correspondence name and address
THE LUBRIZOL CORPORATION
JOSEPH P. FISCHER
29400 LAKELAND BOULEVARD
WICKLIFFE, OHIO 44092-2298
Assignment: 11
Reel/Frame:007056/0003   Pages: 4
Recorded: 06/06/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/03/1994
2
Exec Dt:
06/03/1994
3
Exec Dt:
06/03/1994
4
Exec Dt:
06/03/1994
Assignee
1
29400 LAKELAND BLVD.
WICKLIFFE, OHIO 44092-2298
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08223941
Correspondence name and address
THE LUBRIZOL CORPORATION
JAMES L. CORDEK
PATENT DEPT.
29400 LAKELAND BLVD.
WICKLIFFE, OH 44092-2298
Assignment: 12
Reel/Frame:022260/0696   Pages: 5
Recorded: 02/16/2009
Attorney Dkt #:3277-01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
02/12/2009
2
Exec Dt:
02/09/2009
3
Exec Dt:
01/23/2009
Assignee
1
29400 LAKELAND BLVD.
WICKLIFFE, OHIO 44092-2298
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
12373527
Correspondence name and address
DAVID M. SHOLD, THE LUBRIZOL CORP.
PATENT DEPT./052A
29400 LAKELAND BLVD.
WICKLIFFE, OH 44092-2298
Assignment: 13
Reel/Frame:026163/0383   Pages: 5
Recorded: 04/21/2011
Attorney Dkt #:3564-01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/20/2011
2
Exec Dt:
03/17/2011
3
Exec Dt:
04/20/2011
4
Exec Dt:
04/21/2011
5
Exec Dt:
04/14/2011
6
Exec Dt:
04/06/2011
7
Exec Dt:
04/14/2011
Assignee
1
29400 LAKELAND BLVD.
WICKLIFFE, OHIO 44092-2298
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13060492
Correspondence name and address
DAVID M. SHOLD, LUBRIZOL CORP.
29400 LAKELAND BLVD.
PATENT DEPT./022B
WICKLIFFE, OH 44092-2298
Assignment: 14
Reel/Frame:026327/0967   Pages: 5
Recorded: 05/24/2011
Attorney Dkt #:3658-01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/27/2011
2
Exec Dt:
04/04/2011
3
Exec Dt:
05/13/2011
4
Exec Dt:
04/21/2011
5
Exec Dt:
05/24/2011
6
Exec Dt:
05/18/2011
7
Exec Dt:
05/02/2011
8
Exec Dt:
05/18/2011
Assignee
1
29400 LAKELAND BLVD.
WICKLIFFE, OHIO 44092-2298
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13120695
Correspondence name and address
CHRISTOPHER D. HILKER, LUBRIZOL CORP.
29400 LAKELAND BLVD.
PATENT DEPT./022B
WICKLIFFE, OH 44092-2298

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