Patent Assignment
Reel/Frame 004954/0577
Assignment of Assignors Interest.
Recorded: 1988-11-04
Pages: 1
Assignor
HEATH, DEREK E.
Executed: 1988-10-20
Assignee
Covered Property
(1)
Dental Compactor Instrument
Patent:
4,871,312 →
Application:
07/267,531 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 7, 1996
From: TULSA DENTAL PRODUCTS, INC.
To: DENTSPLY RESEARCH & DEVELOPMENT CORP.
Reel/Frame 007980/0087 →
Assignment of Assignor's Interest
May 24, 1996
From: DENTSPLY RESEARCH & DEVELOPMENT CORP.
To: DENTSPLY INTERNATIONAL INC.
Reel/Frame 007978/0639 →
Assignment of Assignor's Interest
Jul 14, 1999
From: TULSA DENTAL PRODUCTS, L.L.C.; QUALITY DENTAL PRODUCTS, INC.; TDP, INC.; JOHNSON, WILLIAM BEN
To: TULSA DENTAL PRODUCTS INC.
Reel/Frame 010095/0358 →