Eric Groen — 2 Patents at AT&T

Eric Groen — 2 Patents

AGAgere Systems Guardian: 1 patents #274 of 810Top 35%

ATAT&T: 1 patents #10,636 of 18,772Top 60%

Sac City, IA: #11 of 24 inventorsTop 50%

Iowa: #6,154 of 15,303 inventorsTop 45%

Overall (All Time): #1,709,992 of 4,157,543Top 45%

Eric Groen has been granted 2 US patents while listed as an inventor at AT&T. The first was granted in 2000 and the most recent in September 2001. Eric Groen ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Eric Groen in Sac City, IA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6285221	Impedance-matched, voltage-mode H-bridge write drivers	John D. Leighton	2001-09-04	$7,459,000
6121800	Impedance matched, voltage-mode H-bridge write drivers	John D. Leighton	2000-09-19	$40,402,000

Eric Groen — 2 Patents

Issued Patents All Time

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