PK

Philip C. O. Kingsbury

Overall (All Time): #2,317,003 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5021911 Cleaning cassette 1991-06-04
4868699 Microfloppy disc drive head cleaner Roger V. Follansbee 1989-09-19