TUMBLEWEED COMMUNICATIONS CORP.
Patent Owner
Stats
- 6 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Aug 07, 2008 most recent publication
Details
- 6 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 665 Total Citation Count
- Jul 14, 1999 Earliest Filing
- 2 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
6516411 Method and apparatus for effecting secure document format conversionDec 10, 01Feb 04, 03[H04L]
6487599 Electronic document delivery system in which notification of said electronic document is sent a recipient thereofJul 14, 99Nov 26, 02[G06F]
6470086 Method and apparatus for effecting secure document format conversionNov 17, 00Oct 22, 02[H04L, H04K]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
2005/0120,206 Method and system for rule-based certificate validationAbandonedDec 02, 03Jun 02, 05[H04L]
2003/0196,098 E-mail firewall with stored key encryption/decryptionAbandonedApr 21, 03Oct 16, 03[H04L]
Top Inventors for This Owner
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