JD

John Dyckman

PC Propper Manufacturing Co.: 4 patents #6 of 21Top 30%
Overall (All Time): #1,270,826 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6656429 Sterilizer vacuum test pack 2003-12-02
5435971 Sterilization biological test pack 1995-07-25
5217901 Sterilization biological test pack 1993-06-08
4918003 Biological test device for steam sterilizers Louise Macaro, Thomas A. Augurt, Andrew A. Zwarun 1990-04-17