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Patent Assignment Assignor Details
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Assignor Name : HOUTCHENS, ROBERT A.
Total Assignments: 19
Assignment: 1
Reel/Frame:004686/0759   Pages: 2
Recorded: 03/26/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HOUTCHENS, ROBERT A.
Exec Dt:
02/23/1985
2
CHENG, ROBERTA C.
Exec Dt:
02/23/1985
3
MC COY, KAREN M.
Exec Dt:
02/23/1985
4
EPSTEIN, CAROL C.
Exec Dt:
02/23/1985
5
MOLL, NATHAN G.
Exec Dt:
02/23/1985
Assignee
1
DOW CHEMICAL COMPANY, THE
MIDLAND, MICHIGAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4675292
NONE
06707774
Correspondence name and address
RICHARD G.WATERMAN
P.O.BOX 1967
MIDLAND, MI 48641-1967
Assignment: 2
Reel/Frame:005195/0431   Pages: 3
Recorded: 11/30/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
CHENG, ROBERTA C.
Exec Dt:
02/25/1987
2
MOLL, NORMAN G.
Exec Dt:
02/25/1987
3
HOUTCHENS, ROBERT A.
Exec Dt:
02/25/1987
4
MC COY, KAREN M.
Exec Dt:
02/25/1987
Assignee
1
DOW CHEMICAL COMPANY, THE, A CORP. OF DE
2030 DOW CENTER
ABBOTT ROAD
MIDLAND,, MICHIGAN 48640
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4950596
NONE
07020407
Correspondence name and address
RICHARD G. WATERMAN
P. O. BOX 1967
MIDLAND, MI 48641-1967
Assignment: 3
Reel/Frame:008764/0454   Pages: 6
Recorded: 10/20/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WALSH, TERENCE A.
Exec Dt:
09/11/1992
2
HOUTCHENS, ROBERT A.
Exec Dt:
09/16/1992
3
STRICKLAND, JAMES A.
Exec Dt:
09/01/1992
4
ORR, GREGORY L.
Exec Dt:
09/02/1992
5
MERLO, DONALD J.
Exec Dt:
09/02/1992
Assignee
1
DOWELANCO
9330 ZIONSVILLE ROAD
INDIANAPOLIS, INDIANA 46268
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5743477
NONE
07936163
Correspondence name and address
KENNETH L. LOERTSCHER
DOWELANCO
9330 ZIONSVILLE ROAD
INDIANAPOLIS, IN 46268
Assignment: 4
Reel/Frame:007578/0532   Pages: 6
Recorded: 08/02/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RAUSCH, CARL W.
Exec Dt:
07/19/1995
2
GAWRYL, MARIA S.
Exec Dt:
07/19/1995
3
HOUTCHENS, ROBERT A.
Exec Dt:
07/19/1995
4
LACCETTI, ANTHONY J.
Exec Dt:
07/19/1995
5
LIGHT, WILLIAM R.
Exec Dt:
07/19/1995
Assignee
1
BIOPURE CORPORATION
11 HURLEY STREET
CAMBRIDGE, MASSACHUSETTS 02141
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5840852
NONE
08458916
Correspondence name and address
HAMILTON, BROOK, SMITH & REYNOLDS, P.C.
DAVID E. BROOK
TWO MILITIA DRIVE
LEXINGTON, MA 02173
Assignment: 5
Reel/Frame:007566/0773   Pages: 6
Recorded: 08/14/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RAUSCH, CARL W.
Exec Dt:
07/21/1995
2
GAWRYL, MARIA S.
Exec Dt:
07/21/1995
3
HOUTCHENS, ROBERT A.
Exec Dt:
07/25/1995
4
LACCETTI, ANTHONY J.
Exec Dt:
07/25/1995
5
LIGHT, WILLIAM R.
Exec Dt:
07/25/1995
Assignee
1
BIOPURE CORPORATION
11 HURLEY STREET
CAMBRIDGE, MASSACHUSETTS 02141
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5955581
NONE
08484775
Correspondence name and address
HAMILTON, BROOK, SMITH & REYNOLDS, P.C.
DAVID E. BROOK, ESQ.
TWO MILITIA DRIVE
LEXINGTON, MA 02173
Assignment: 6
Reel/Frame:007573/0219   Pages: 4
Recorded: 08/03/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GAWRYL, MARIA S.
Exec Dt:
07/21/1995
2
HOUTCHENS, ROBERT A.
Exec Dt:
07/25/1995
3
LIGHT, WILLIAM R.
Exec Dt:
07/25/1995
Assignee
1
BIOPURE CORPORATION
11 HURLEY STREET
CAMBRIDGE, MASSACHUSETTS 02141
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5691452
NONE
08471583
Correspondence name and address
DAVID E. BROOK, ESQ.
HAMILTON, BROOK, SMITH & REYNOLDS, P.C.
TWO MILITIA DRIVE
LEXINGTON, MA 02173
Assignment: 7
Reel/Frame:007642/0735   Pages: 6
Recorded: 09/13/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIGHT, WILLIAM R.
Exec Dt:
07/25/1995
2
GAWRYL, MARIA S.
Exec Dt:
07/21/1995
3
LACCETTI, ANTHONY J.
Exec Dt:
07/25/1995
4
HOUTCHENS, ROBERT A.
Exec Dt:
07/25/1995
Assignee
1
BIOPURE CORPORATION
11 HURLEY STREET
CAMBRIDGE, MASSACHUSETTS 02141
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5952470
NONE
08477916
Correspondence name and address
DAVID E. BROOK, ESQ.
HAMILTON BROOK SMITH & REYNOLDS, P.C.
TWO MILITIA DRIVE
LEXINGTON, MA 02173
Assignment: 8
Reel/Frame:007646/0198   Pages: 6
Recorded: 09/13/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RAUSCH, CARL W.
Exec Dt:
07/21/1995
2
GAWRYL, MARIA S.
Exec Dt:
07/21/1995
3
HOUTCHENS, ROBERT A.
Exec Dt:
07/25/1995
4
LACCETTI, ANTHONY J.
Exec Dt:
07/25/1995
5
LIGHT, WILLIAM R.
Exec Dt:
07/25/1995
Assignee
1
BIOPURE CORPORATION
11 HURLEY STREET
CAMBRIDGE, MASSACHUSETTS 02141
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5753616
NONE
08478004
Correspondence name and address
HAMILTON, BROOK, SMITH & REYNOLDS, P.C.
DAVID E. BROOK, ESQ.
TWO MILITIA DRIVE
LEXINGTON, MA 02173
Assignment: 9
Reel/Frame:008080/0015   Pages: 4
Recorded: 08/13/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GAWRYL, MARIA S.
Exec Dt:
07/31/1996
2
HOUTCHENS, ROBERT A.
Exec Dt:
07/31/1996
3
LIGHT, WILLIAM R.
Exec Dt:
07/31/1996
Assignee
1
BIOPURE CORPORATION
11 HURLEY STREET
CAMBRIDGE, MASSACHUSETTS 02141
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5808011
NONE
08673147
Correspondence name and address
HAMILTON, BROOK, SMITH AND REYNOLDS
N. SCOTT PIERCE
TWO MILITIA DRIVE
LEXINGTON, MA 02173-4799
Assignment: 10
Reel/Frame:009326/0974   Pages: 4
Recorded: 07/10/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOUTCHENS, ROBERT A.
Exec Dt:
07/06/1998
2
RAUSCH, CARL W.
Exec Dt:
07/06/1998
Assignee
1
BIOPURE CORPORATION
11 HURLEY STREET
CAMBRIDGE, MASSACHUSETTS 02141
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6150507
NONE
09113953
Correspondence name and address
HAMILTON, BROOK, SMITH & REYNOLDS, P.C.
N. SCOTT PIERCE
TWO MILITIA DRIVE
LEXINGTON, MA 02421
Assignment: 11
Reel/Frame:009679/0045   Pages: 4
Recorded: 01/04/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GAWRYL, MARIA S.
Exec Dt:
12/16/1998
2
HOUTCHENS, ROBERT A.
Exec Dt:
12/16/1998
3
LIGHT, WILLIAM R.
Exec Dt:
12/16/1998
Assignee
1
BIOPURE CORPORATION
11 HURLEY STREET
CAMBRIDGE, MASSACHUSETTS 02141
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6271351
NONE
09173189
Correspondence name and address
HAMILTON, BROOK, SMITH & REYNOLDS, P.C.
N. SCOTT PIERCE, ESQ.
TWO MILITIA DRIVE
LEXINGTON, MA 02421-4799
Assignment: 12
Reel/Frame:010283/0624   Pages: 4
Recorded: 10/04/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GAWRYL, MARIA S.
Exec Dt:
09/29/1999
2
HOUTCHENS, ROBERT A.
Exec Dt:
09/29/1999
3
LIGHT, WILLIAM R.
Exec Dt:
09/29/1999
Assignee
1
BIOPURE CORPORATION
11 HURLEY STREET
CAMBRIDGE, MASSACHUSETTS 02141
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6288027
NONE
09348881
Correspondence name and address
HAMILTON, BROOKS, SMITH & REYNOLDS, P.C.
N. SCOTT PIERCE
TWO MILITIA DRIVE
LEXINGTON, MA 02421-4799
Assignment: 13
Reel/Frame:010286/0254   Pages: 4
Recorded: 10/07/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GAWRYL, MARIA S.
Exec Dt:
10/01/1999
2
HOUTCHENS, ROBERT A.
Exec Dt:
10/01/1999
3
LIGHT, WILLIAM R.
Exec Dt:
10/01/1999
Assignee
1
BIOPURE CORPORATION
11 HURLEY STREET
CAMBRIDGE, MASSACHUSETTS 02141
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6610832
NONE
09349290
Correspondence name and address
HAMILTON, BROOK, SMITH & REYNOLDS, P.C.
N. SCOTT PIERCE, ESQ.
TWO MILITIA DRIVE
LEXINGTON, MASSACHUSETTS 02421-4799
Assignment: 14
Reel/Frame:011580/0409   Pages: 4
Recorded: 02/28/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GAWRYL, MARIA S.
Exec Dt:
02/01/2001
2
HOUTCHENS, ROBERT A.
Exec Dt:
02/01/2001
3
LIGHT, WILLIAM R.
Exec Dt:
02/01/2001
Assignee
1
BIOPURE CORPORATION
11 HURLEY STREET
CAMBRIDGE, MASSACHUSETTS 02141
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6518010
US20020161197
09795821
Correspondence name and address
HAMILTON, BROOK, SMITH & REYNOLDS, P.C.
N. SCOTT PIERCE
TWO MILITIA DRIVE
LEXINGTON MA 02421-4799
Assignment: 15
Reel/Frame:022956/0908   Pages: 5
Recorded: 07/15/2009
Attorney Dkt #:1161.2001-011
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GAWRYL, MARIA S.
Exec Dt:
02/01/2001
2
HOUTCHENS, ROBERT A.
Exec Dt:
02/01/2001
3
LIGHT, WILLIAM R.
Exec Dt:
02/01/2001
Assignee
1
BIOPURE CORPORATION
11 HURLEY STREET
CAMBRIDGE, MASSACHUSETTS 02141
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7553613
US20060084137
11289048
Correspondence name and address
N. SCOTT PIERCE
530 VIRGINIA ROAD, P.O. BOX 9133
HAMILTON, BROOK, SMITH & REYNOLDS, P.C.
CONCORD, MA 01742-9133
Assignment: 16
Reel/Frame:022956/0930   Pages: 5
Recorded: 07/15/2009
Attorney Dkt #:1161.2001-003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GAWRYL, MARIA S.
Exec Dt:
02/01/2001
2
HOUTCHENS, ROBERT A.
Exec Dt:
02/01/2001
3
LIGHT, WILLIAM R.
Exec Dt:
02/01/2001
Assignee
1
BIOPURE CORPORATION
11 HURLEY STREET
CAMBRIDGE, MASSACHUSETTS 02141
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6986984
US20030113707
10306819
Correspondence name and address
N. SCOTT PIERCE
530 VIRGINIA ROAD, P.O. BOX 9133
HAMILTON, BROOK, SMITH & REYNOLDS, P.C.
CONCORD, MA 01742-9133
Assignment: 17
Reel/Frame:013046/0836   Pages: 5
Recorded: 07/02/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOUTCHENS, ROBERT A.
Exec Dt:
04/23/2002
2
GAWRYL, MARIA S.
Exec Dt:
04/24/2002
3
LIGHT, WILLIAM R.
Exec Dt:
04/23/2002
4
BAQAI, JAVED
Exec Dt:
04/23/2002
Assignee
1
BIOPURE CORPORATION
11 HURLEY STREET
CAMBRIDGE, MASSACHUSETTS 02141
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7001715
US20030165573
10090428
Correspondence name and address
HAMILTON, BROOK, SMITH ET AL.
N. SCOTT PIERCE, ESQ.
530 VIRGINIA RD.
CONCORD, MA 01742-9133
Assignment: 18
Reel/Frame:012929/0553   Pages: 4
Recorded: 05/29/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GAWRYL, MARIA S.
Exec Dt:
05/06/2002
2
HOUTCHENS, ROBERT A.
Exec Dt:
05/07/2002
3
LIGHT, WILLIAM R.
Exec Dt:
05/08/2002
Assignee
1
BIOPURE CORPORATION
11 HURLEY STREET
CAMBRIDGE, MASSACHUSETTS 02141
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7041800
NONE
10018599
Correspondence name and address
HAMILTON, BROOK, SMITH & REYNOLDS PC
N. SCOTT PIERCE, ESQ.
530 VIRGINIA ROAD
P.O. BOX 9133
CONCORD MA 01742-9133
Assignment: 19
Reel/Frame:013105/0172   Pages: 4
Recorded: 07/22/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GAWRYL, MARIA S.
Exec Dt:
06/13/2002
2
HOUTCHENS, ROBERT A.
Exec Dt:
06/13/2002
3
LIGHT, WILLIAM R.
Exec Dt:
06/13/2002
Assignee
1
BIOPURE CORPORATION
11 HURLEY STREET
CAMBRIDGE, MASSACHUSETTS 02141
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7041799
NONE
10018529
Correspondence name and address
HAMILTON, BROOK, SMITH & REYNOLDS, P.C.
N. SCOTT PIERCE, ESQ.
530 VIRGINIA ROAD
P.O. BOX 9133
CONCORD, MASSACHUSETTS 01742-9133

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