Thomas Lehmann — 5 Patents at 3M

Thomas Lehmann has been granted 5 US patents while listed as an inventor at 3M. The first was granted in 2004 and the most recent in December 2010. Thomas Lehmann ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Thomas Lehmann in Sinzing, DE.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7857557	Combination tool and method for metal-cutting machining of a drill-hole and its hole surface as well as cutting insert for such a combination tool	Günter EBERT	2010-12-28	$17,837,000
7141616	Radically curable urethane prepolymers and their use in dental materials	Reinhold Hecht, Gunther Lechner, Gunther Eckhardt, Bernd Gangnus	2006-11-28
7132462	Two-component dental materials having a low setting temperature	Reinhold Hecht	2006-11-07
6936642	Dental materials	Wolfgang Soglowek, Reinhold Hecht	2005-08-30
6774161	Process for the cold molding of particulate materials	Abdulmajid Hashemzadeh, Klaus Kohlhammer, Peter Weiler	2004-08-10

Thomas Lehmann — 5 Patents

Issued Patents All Time

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