Middletown, NJ, United States of America

S Devendra Verma

This inventor holds 2 USPTO granted patents. Top assignees: American Telephone & Telegraph Co., At&t Bell Laboratories, At&t Information Systems Inc., Other. Active years: 1988.

USPTO Granted Patents = 2

% Patents Active = 100.0

Average Co-Inventor Count = 2.7

ph-index = 2

Forward Citations = 63(Granted Patents)

Company Filing History:

1 out of 745

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

patents

1 out of 243

At&t Information Systems Inc.

patents

1 out of 834,453

Other

patents

where one patent can have more than one assignee

Years Active: 1988

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2 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4794642 - Call screening in a public telephone station (1988-12-27),

2. 4782516 - Fraud prevention in a public telephone station (1988-11-01),

Profile summary based on public USPTO records.

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