Inventor
WITCHER KELVIN J
US10 patents
⚠️ This page may combine multiple inventors who share the name “WITCHER KELVIN J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
3M INNOVATIVE PROPERTIES CO
7 patentsUS6352837B1Mar 5, 2002
Rapid readout sterilization indicator for liquid peracetic acid sterilization procedures
3M INNOVATIVE PROPERTIES CO57 citations95
US6566090B2May 20, 2003
Rapid readout sterilization indicator for liquid peracetic acid sterilization procedures
3M INNOVATIVE PROPERTIES CO34 citations92
US7045343B2May 16, 2006
Sterilization indicator test packs
3M INNOVATIVE PROPERTIES CO34 citations90
US10059977B2Aug 28, 2018
Biological sterilization indicator
3M INNOVATIVE PROPERTIES CO12 citations83
US9650661B2May 16, 2017
Nanostructured spore carrier
3M INNOVATIVE PROPERTIES CO9 citations83
US9575022B2Feb 21, 2017
Electronic indicator for monitoring efficacy of a cleaning cycle
3M INNOVATIVE PROPERTIES CO3 citations72
US11421261B2Aug 23, 2022
Methods to detect microorganisms
3M INNOVATIVE PROPERTIES CO0 citations58