I think these patents have expired. US 7,620,565 and 7,222,078 date back to an August 1992 parent application, and were themselves filed in 1999, after the 20-

I think these patents have expired. US 7,620,565 and 7,222,078 date back to an August 1992 parent application, and were themselves filed in 1999, after the 20-years from priority date rule went into effect. Neither was granted patent term extension. So they should have expired last year.