WS

William Joseph Sigmund

AT AT&T: 1 patents #456 of 1,297Top 40%
Microsoft: 1 patents #1,765 of 6,275Top 30%
Overall (2018): #90,562 of 503,207Top 20%
2
Patents 2018

Issued Patents 2018

Patent #TitleCo-InventorsDate
10027814 Visual voicemail method for managing deleted messages Michael Robert Zubas, Brian Keith Rainer 2018-07-17
RE46952 Systems and methods for consolidating wireline and wireless voicemail boxes Michael Robert Zubas, Brian Keith Rainer 2018-07-10