Patent Assignment
Reel/Frame 003984/0610
Assignment of Assignors Interest.
Recorded: 1982-04-05
Pages: 1
Assignee
INTERNATIONAL MOBILE MACHINES CORPORATION; A CORP. OF PA.
BALA CYNWYD,, PENNSYLVANIA
Covered Property
(1)
Sound-Activated Code-Controlled Detection System for Telephones and the Like
Patent:
4,439,638 →
Application:
06/343,445 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Mar 18, 1993
From: INTERNATIONAL MOBILE MACHINES CORPORATION
To: INTERDIGITAL TECHNOLOGY CORPORATION
Reel/Frame 006460/0762 →
A Re-Record of an Assignment Previously Recorded on March 18, 1993 at Reel 6460, Frame 0762 to Correct the Patent Numbers.
Oct 13, 1993
From: INTERNATIONAL MOBILE MACHINES CORPORATION
To: INTERDIGITAL TECHNOLOGY CORPORATION
Reel/Frame 006721/0496 →
Corrective Cover Sheet to Correct the Conveying Party Erroneously Recorded Previously on Reel 6721 Frame 496. (See Document for Details)
Oct 19, 1994
From: INTERDIGITAL COMMUNICATIONS CORPORATION
To: INTERDIGITAL TECHNOLOGY CORPORATION
Reel/Frame 007238/0092 →