John K. Entenmann — 2 Patents at AT&T

John K. Entenmann has been granted 2 US patents while listed as an inventor at AT&T. The first was granted in 1991 and the most recent in April 1995. John K. Entenmann ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list John K. Entenmann in Glendale Heights, IL, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5403999	Telecommunications systems for lotteries	John A. Hooke, Eric Edward Kampmeier, Barry L. Posterick	1995-04-04
4996705	Use of telecommunications systems for lotteries	John A. Hooke, Eric Edward Kampmeier, Barry L. Posterick	1991-02-26

John K. Entenmann — 2 Patents

Issued Patents All Time

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