Robert J. Perdue — 3 Patents at AT&T

Robert J. Perdue — 3 Patents

ATAT&T: 2 patents #7,295 of 18,772Top 40%

ALAmerican Telephone And Telegraph Company, At&T Bell Laboratories: 1 patents #330 of 1,086Top 35%

Pickerington, OH: #57 of 192 inventorsTop 30%

Ohio: #23,545 of 73,341 inventorsTop 35%

Overall (All Time): #1,328,092 of 4,157,543Top 35%

Robert J. Perdue has been granted 3 US patents while listed as an inventor at AT&T. The first was granted in 1990 and the most recent in June 1992. Robert J. Perdue ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Robert J. Perdue in Pickerington, OH, US.

Patents per Year

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
5125024	Voice response unit	Sedat I. Gokcen, Roy V. Grubbe	1992-06-23
5003574	Voice capture system	Dong L. Denq, Linda Mattson, Eugene L. Rissanen	1991-03-26
4896346	Password controlled switching system	William R. Belfield, William J. Erwin, Thomas J. Geers, Jr., Roy V. Grubbe, Stephen W. Handy	1990-01-23

Robert J. Perdue — 3 Patents

Patents per Year

Issued Patents All Time

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