Paul R Bufkin

This inventor holds 2 USPTO granted patents. Top assignees: American Telephone & Telegraph Co., At&t Bell Laboratories, At&t Bell Laboratories. Active years: 1987-1993.

USPTO Granted Patents = 2

% Patents Active = 100.0

Average Co-Inventor Count = 4.8

ph-index = 2

Forward Citations = 16(Granted Patents)

Company Filing History:

1 out of 745

American Telephone & Telegraph Co., At&t Bell Laboratories

patents

1 out of 3,345

At&t Bell Laboratories

patents

Years Active: 1987-1993

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2 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5187733 - Verification of subscriber lines prior to cutover to a new switching (1993-02-16),

2. 4679232 - Method and apparatus for providing a ground reference for telephone (1987-07-07),

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