HL

Helmut Letzel

KK K.A. Schmersal Holding Gmbh & Co. Kg: 3 patents #3 of 39Top 8%
CI Corning Incorporated: 1 patents #2,300 of 3,867Top 60%
Overall (All Time): #1,157,080 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11045975 Extrusion components for honeycomb bodies John Wilbur Allard, Thomas William Brew, Tushar Gulati, Min Shen 2021-06-29
6539760 Monitoring device Uwe Franke 2003-04-01
6283514 Apparatus for monitoring and controlling access to a restricted area 2001-09-04
5896783 Safety switch device 1999-04-27