6 Utility Patents
#139 in Ballwin, MO
#2,931 in Missouri
#334,054 in US
#688,770 in the World
Forward Citations = 71
Company Filing History:
Pacific Telesis Shared Services
Southwestern Bell Communications Services, Inc.

4. 2 out of 12

5. 1 out of 13,955

where one patent can have more than one assignee
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