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Patent Assignment Abstract of Title
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Total Assignments: 6
Patent #:
7389833
Issue Dt:
06/24/2008
Application #:
11422625
Filing Dt:
06/07/2006
Publication #:
20060278433
Pub Dt:
12/14/2006
Inventors:
Thomas A. Walker, Richard K. Smith JR., Stephen R. Means
Title:
MULTI-SECTIONAL PERCUSSIVE DRILL BIT ASSEMBLY
Assignment: 1
Reel/Frame:
017735/0386Recorded: 06/07/2006Pages: 7
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
WALKER, THOMAS A.
Exec Dt:
06/06/2006
MEANS, STEPHEN R.
Exec Dt:
06/06/2006
SMITH, RICHARD
Exec Dt:
06/05/2006
Assignee:
KEYSTONE DRILL SERVICES, INC.
184 ALISA STREET
SOMERSET, PENNSYLVANIA 15501
Correspondent:
PAUL A. BECK
1575 MCFARLAND ROAD
SUITE 100
PITTSBURGH, PA 15216-1808
Assignment: 2
Reel/Frame:
021005/0039Recorded: 05/27/2008Pages: 7
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
KEYSTONE DRILL SERVICES, INC.
Exec Dt:
05/23/2008
Assignee:
KEYSTONE DRILL SERVICES, LLC
184 ALISA STREET
SOMERSET, PENNSYLVANIA 15501
Correspondent:
KING & SPALDING LLP
JEFFREY P. BALCITA
1180 PEACHTREE STREET
ATLANTA, GA 30309
Assignment: 3
Reel/Frame:
021005/0193Recorded: 05/27/2008Pages: 5
Conveyance:
SECURITY AGREEMENT
Assignor:
KEYSTONE DRILL SERVICES, LLC
Exec Dt:
05/23/2008
Assignee:
THE PRUDENTIAL INSURANCE COMPANY OF AMERICA, AS COLLATERAL AGENT
C/O PRUDENTIAL CAPITAL GROUP
1170 PEACHTREE STREET, SUITE 500
ATLANTA, GEORGIA 30309
Correspondent:
KING & SPALDING LLP
JEFFREY P. BALCITA
1180 PEACHTREE STREET
ATLANTA, GA 30309
Assignment: 4
Reel/Frame:
021936/0872Recorded: 12/09/2008Pages: 8
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
KEYSTONE DRILL SERVICES, INC.
Exec Dt:
11/06/2008
Assignee:
KEYSTONE AIR & DRILL SUPPLY CO.
184 ALISA STREET
SOMERSET, PENNSYLVANIA 15501
Correspondent:
BECK & THOMAS, P.C.
1575 MCFARLAND ROAD
SUITE 100
PITTSBURGH, PA 15216
Assignment: 5
Reel/Frame:
023401/0963Recorded: 10/22/2009Pages: 20
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
KEYSTONE DRILL SERVICES, LLC
Exec Dt:
10/15/2009
Assignee:
KEYSTONE AIR & DRILL SUPPLY CO.
184 ALISA STREET
SOMERSET, PENNSYLVANIA 15501
Correspondent:
BECK & THOMAS, P.C.
1575 MCFARLAND ROAD; SUITE 100
PITTSBURGH, PA 15216
Assignment: 6
Reel/Frame:
036230/0595Recorded: 07/31/2015Pages: 3
Conveyance:
RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).
Assignor:
THE PRUDENTIAL INSURANCE COMPANY OF AMERICA, AS COLLATERAL AGENT
Exec Dt:
07/31/2015
Assignee:
KEYSTONE DRILL SERVICES, LLC
184 ALISA STREET
SOMERSET, PENNSYLVANIA 15501
Correspondent:
COHEN & GRIGSBY, P.C.
625 LIBERTY AVENUE
PITTSBURGH, PA 15222-3152

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