KS

Ken Summer

PC Propper Manufacturing Co.: 3 patents #7 of 21Top 35%
Overall (All Time): #1,654,704 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D347585 Steam sterilization monitor Frank E. Platko, Peter Hunsinger, Irving A. Speelman 1994-06-07
5158363 Steam sterilization indicator Irving A. Speelman, Frank E. Platko 1992-10-27
5137211 Dispensing carton William Fitzgerald 1992-08-11