RUTH T. LITTLEFORD-HANSON

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
A61B DIAGNOSIS; SURGERY; IDENTIFICATION 1239

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5179961 Catheter guiding and positioning methodOct 02, 91Jan 19, 93[A61B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5054500 Catheter guiding and positioning methodExpiredApr 13, 89Oct 08, 91[A61B]
4834093 Dilation catheter and methodExpiredFeb 03, 86May 30, 89[A61N]
4552157 Open curve, atrial "J" electrodeExpiredJun 17, 82Nov 12, 85[A61N]

Top Inventors for This Owner

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