On 30 Jul, 2014, at 13:53 , [email protected] wrote: > On Jul 30, 2014, at 1:55 PM, Dennis Ferguson wrote: >> 5,608,893 >> 5,727,209 >> 6,219,690 >> 6,886,162 [...] > Status: Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR > 1.362 [...] > Status: Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR > 1.362 [...] > Status: Patent Expired Maintenance Fees Under 37 CFR 1.362 [...] > Status: Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR > 1.362
Ah, I left one off the list. The fifth one, 5,442,758, is the old one which should have died on its own in any case. Dennis Ferguson
