LexDanaLexDanabeta
Inventor

Richard James Dobrovich

Inventor
Phoenix, AZ, US

Overview

1→
Patents
1999
Patent span
Electricity
Primary field (CPC H)

Patents· 1 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Mprimary
H04MTelephonic communication100%
PatentTitleYear
5,875,231'Telephone call on hold service for a party placed on hold by another party'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999Patents assigned to AG COMMUNICATION SYSTEMS (1)· patent assignee history
1999Based in Phoenix, AZ, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AG COMMUNICATION SYSTEMS11999
Locations
LocationPatentsSpan
Phoenix, AZ, US11999