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Inventor
ZINK JOHN H
US
3 patents
⚠️ This page may combine multiple inventors who share the name “ZINK JOHN H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AT & T INFORMATION SYSTEMS INC
2 patents
US4535199A
Aug 13, 1985
Data call transfer preindication
AT & T INFORMATION SYSTEMS INC
17 citations
67
US4532377A
Jul 30, 1985
Data call transfer
AT & T INFORMATION SYSTEMS INC
12 citations
67
SAYKO ROBERT J
1 patent
US9531774B2
Dec 27, 2016
Multicast distribution of incrementally enhanced content
SAYKO ROBERT J
0 citations
35