DR

David M. Read

3M: 9 patents #1,775 of 11,543Top 20%
Overall (All Time): #575,532 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9176103 Chemical indicator compositions, indicators and methods David A. Whitman, Ranjani V. Parthasarathy, Kevin D. Landgrebe, Anthony E. Bennett 2015-11-03
9170245 Chemical indicator composition, indicators and methods Kevin D. Landgrebe, Steven S. Kirckof 2015-10-27
7897403 Hydrogen peroxide and peracetic acid indicators and methods 2011-03-01
7670552 Peracetic acid indicators and methods of use 2010-03-02
7481975 Hydrogen peroxide indicator and method 2009-01-27
7192554 Hydrogen peroxide and peracetic acid indicators and methods 2007-03-20
6790411 Hydrogen peroxide indicator and method 2004-09-14
5916816 Steam sterilization indicator compositions 1999-06-29
4298569 Steam-formaldehyde sterilization indicator 1981-11-03