GB8725593D0 - Telephone systems - Google Patents

Telephone systems

Info

Publication number
GB8725593D0
GB8725593D0 GB878725593A GB8725593A GB8725593D0 GB 8725593 D0 GB8725593 D0 GB 8725593D0 GB 878725593 A GB878725593 A GB 878725593A GB 8725593 A GB8725593 A GB 8725593A GB 8725593 D0 GB8725593 D0 GB 8725593D0
Authority
GB
United Kingdom
Prior art keywords
telephone systems
telephone
systems
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
GB878725593A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PHONEGUARD Ltd
Original Assignee
PHONEGUARD Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by PHONEGUARD Ltd filed Critical PHONEGUARD Ltd
Priority to GB878725593A priority Critical patent/GB8725593D0/en
Publication of GB8725593D0 publication Critical patent/GB8725593D0/en
Pending legal-status Critical Current

Links

GB878725593A 1987-10-31 1987-10-31 Telephone systems Pending GB8725593D0 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB878725593A GB8725593D0 (en) 1987-10-31 1987-10-31 Telephone systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878725593A GB8725593D0 (en) 1987-10-31 1987-10-31 Telephone systems

Publications (1)

Publication Number Publication Date
GB8725593D0 true GB8725593D0 (en) 1987-12-02

Family

ID=10626268

Family Applications (1)

Application Number Title Priority Date Filing Date
GB878725593A Pending GB8725593D0 (en) 1987-10-31 1987-10-31 Telephone systems

Country Status (1)

Country Link
GB (1) GB8725593D0 (en)

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