Andrew L. Plankenhorn — 1 Patent at Adtran

Andrew L. Plankenhorn has been granted 1 US patent while listed as an inventor at Adtran. All of these patents were granted in 2003. Andrew L. Plankenhorn ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Andrew L. Plankenhorn in Hazel Green, AL, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6628621	Multichannel-capable bit error rate test system	Robert Scott Appleton, Paul E. Calvert, Steven Creg Killen	2003-09-30	$13,980,000