Kenneth D. Lefton — 1 Patent at Integrated Process Equipment

Kenneth D. Lefton — 1 Patent

IEIntegrated Process Equipment: 1 patents #7 of 24Top 30%

Beaverton, OR: #2,129 of 3,140 inventorsTop 70%

Oregon: #17,193 of 28,073 inventorsTop 65%

Overall (All Time): #2,406,284 of 4,157,543Top 60%

Kenneth D. Lefton has been granted 1 US patent while listed as an inventor at Integrated Process Equipment. All of these patents were granted in 1998. Kenneth D. Lefton ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Kenneth D. Lefton in Beaverton, OR, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5851140	Semiconductor wafer polishing apparatus with a flexible carrier plate	Chris Barns, Malek Charif, Fred E. Mitchel	1998-12-22	$3,266,000

Kenneth D. Lefton — 1 Patent

Issued Patents All Time

Patent Widget