Robert C. Purkey — 2 Patents at AT&T

Robert C. Purkey has been granted 2 US patents while listed as an inventor at AT&T. The first was granted in 1995 and the most recent in August 1999. Robert C. Purkey ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Robert C. Purkey in Mendham, NJ, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5933491	Switched integrated network access system	James H. Miller	1999-08-03	$105,702,000
5418776	Emergency local switching	Steven Peter Spencer, James K. Wheeler	1995-05-23

Robert C. Purkey — 2 Patents

Issued Patents All Time

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