John R. Masters has been granted 9 US patents while listed as an inventor at Compaq Computer . The first was granted in 1982 and the most recent in October 2000. John R. Masters ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list John R. Masters in Dallas, TX, US.
Patents per Year Patents granted per year, 1982 to 2000 Bar chart with a peak of 3 patents in 1991. peak 3 1982: 1 patents 1982 1991: 3 patents 1991 1998: 2 patents 1998 1999: 1 patents 1999 2000: 2 patents 2000
Issued Patents All Time
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Showing 1–9 of 9 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
6141312 Optical tape drive that performs direct read after write operations Keith Pollock , A. Rene Martinez , James R. Luttrall 2000-10-31
$170,498,000
6058092 Optical tape drive that includes redundant optical heads to perform failure recovery Keith Pollock , A. Rene Martinez , James R. Luttrall 2000-05-02
$71,815,000
5909210 Keyboard-compatible optical determination of object's position Richard M. Knox , Kevin Clancy 1999-06-01
$157,190,000
5786810 Method of determining an object's position and associated apparatus Richard M. Knox 1998-07-28
$152,696,000
5734375 Keyboard-compatible optical determination of object's position Richard M. Knox , Kevin Clancy 1998-03-31
$104,181,000
5075805 Disk drive controller system Charles I. Peddle , James M. Donahue , Michael T. Dugan , William G. Swinton , Bruce Fairman +4 more 1991-12-24
$1,900,000
5016121 Disk drive controller system Charles I. Peddle , Robert G. Taylor , Glenn Stark , Kenneth M. Stein , James M. Donohue +4 more 1991-05-14
$5,078,000
5014237 Disk drive controller system with enhanced communications interface Dennis R. Briscoe 1991-05-07
$5,068,000
4353656 Moving coil, multiple energy print hammer system including a closed loop servo Gordon Sohl , John R. Leicht 1982-10-12
$2,505,000
