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Jeffrey A. Kieffer

Atglen, PA: #2 of 4 inventorsTop 50%

Pennsylvania: #1,270 of 5,047 inventorsTop 30%

Overall (2004): #196,376 of 270,089Top 75%

1 Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6816086	Driveway signaling device	—	2004-11-09