Patent Assignment
Reel/Frame 050580/0168
Change of Name
Recorded: 2019-09-27
Pages: 5
Assignor
AMERICAN TELEPHONE AND TELEGRAPH COMPANY
Executed: 1994-04-20
Assignee
AT&T CORP.
32 AVENUE OF THE AMERICAS, NEW YORK, NEW YORK, 10013
Covered Properties
(25)
Hybrid Coordination Function (Hcf) Access Through Tiered Contention and Overlapped Wireless Cell Mitigation
Hybrid Coordination Function (Hcf) Access Through Tiered Contention and Overlapped Wireless Cell Mitigation
'Shield': Protecting High Priority Channel Access Attempts in Overlapped Wireless Cells
Fixed Deterministic Post-Backoff for Cyclic Prioritized Multiple Access (Cpma) Contention-Free Sessions
Preemptive Packet for Maintaining Contiguity in Cyclic Prioritized Multiple Access (Cpma) Contention-Free Sessions
Wireless Lans and Neighborhood Capture
Staggered Startup for Cyclic Prioritized Multiple Access (Cpma) Contention-Free Sessions
Access Method for Periodic Contention-Free Sessions
Hybrid Coordination Function (Hcf) Access Through Tiered Contention and Overlapped Wireless Cell Mitigation
Access Method for Periodic Contention-Free Sessions
Fixed Deterministic Post-Backoff for Cyclic Prioritized Multiple Access (Cpma) Contention-Free Sessions
Preemptive Packet for Maintaining Contiguity in Cyclic Prioritized Multiple Access (Cpma) Contention-Free Sessions
"Shield": Protecting High Priority Channel Access Attempts in Overlapped Wireless Cells
Staggered Startup for Cyclic Prioritized Multiple Access (Cpma) Contention-Free Sessions
Wireless Lans and Neighborhood Capture
Wireless Lans and Neighborhood Capture
Hybrid Coordination Function (Hcf) Access Through Tiered Contention and Overlapped Wireless Cell Mitigation
Hybrid Coordination Function (Hcf) Access Through Tiered Contention and Overlapped Wireless Cell Mitigation
Fixed Deterministic Post-Backoff for Cyclic Prioritized Multiple Access (Cpma) Contention-Free Sessions
Preemptive Packet for Maintaining Contiguity in Cyclic Prioritized Multiple Access (Cpma) Contention-Free Sessions
HCF access through tiered contention
Application:
60/302,661 →
HCF access and overlapped BSS mitigation
Application:
60/317,933 →
HCF access mechanism: OBSS mitigation
Application:
60/330,930 →
'Neighborhood' capture in CSMA/CA WLANs
Application:
60/331,030 →
'Shield': protecting high priority channel access attempts
Application:
60/331,211 →
Related Assignments
(5)
Other recorded transfers of the patents in this record — the chain of ownership.
Merger
Sep 27, 2019
From: BELL TELEPHONE LABORATORIES, INCORPORATED
To: AMERICAN TELEPHONE AND TELEGRAPH COMPANY
Reel/Frame 050511/0948 →
Agreement for Assignment of Inventions
Sep 27, 2019
From: BENVENISTE, MATHILDE
To: BELL TELEPHONE LABORATORIES, INCORPORATED
Reel/Frame 050553/0737 →
Assignment of Assignor's Interest
Oct 29, 2019
From: AT&T CORP.
To: AT&T PROPERTIES, LLC
Reel/Frame 050858/0272 →
Assignment of Assignor's Interest
Oct 29, 2019
From: AT&T PROPERTIES, LLC
To: AT&T INTELLECTUAL PROPERTY II, L.P.
Reel/Frame 050858/0566 →
Assignment of Assignor's Interest
Jul 20, 2026
From: EBERSPÄCHER CATEM HERMSDORF GMBH & CO. KG
To: EBERSPÄCHER CATEM GMBH & CO. KG
Reel/Frame 075323/0864 →