E-CONTACT TECHNOLOGIES LLC

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446
 
 
 
H04K SECRET COMMUNICATION; JAMMING OF COMMUNICATION157
 
 
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 1284

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5347579 Personal computer diaryFeb 22, 93Sep 13, 94[H04L, G06F, H04K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6470449 Time-stamped tamper-proof data storageExpiredFeb 17, 94Oct 22, 02[G07D, H04K]
6442691 Authenticated time deviceExpiredFeb 27, 95Aug 27, 02[G07D, H04K]
5189700 Devices to (1) supply authenticated time and (2) time stamp and authenticate digital documentsExpiredJan 07, 91Feb 23, 93[G07D, H04K]

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.