For the Inventor, By the Inventor

Enter assignee name

Houston, TX, United States of America

E-Stamp Corporation

USPTO Granted Patents = 29

Trademarks = 2

Forward Citations = 2,328

Loading Chart...

Loading Chart...

8 inventors (with patents filed for the assignee):

Salim G Kara (25 out of 29 patents)

Salim G Kara (4 out of 21 patents)

Jonathan W Whitney (3 out of 3 patents)

4. David M Gressett (3 out of 3 patents)

5. Martin J Pagel (2 out of 12 patents)

6. Manish Desai (1 out of 8 patents)

7. Mohammas A Husain (1 out of 1 patent)

8. Ken D Hinh (1 out of 1 patent)

Core Competencies:

Postage Metering

Shipping Fees

Postage Indicia

Electronic Certification

Stampless Envelope

Document Printing

Data Storage

Contextual Weight Determination

Personalized Indicia

Authenticating Dispensing

Memorabilia Display

29 patents: Sort by Forward Citations

1. 6249777 - System and method for remote postage metering (2001-06-19),

2. 6233568 - System and method for automatically providing shipping/transportation fees (2001-05-15),

3. 6208980 - System and method for printing multiple postage indicia (2001-03-27),

4. 6199055 - System and method for providing fault tolerant transcriptions over an unsecured communication channel (2001-03-06),

5. 6158003 - Method and system for electronic document certification (2000-12-05),

6. D434438 - Front surface of a stampless envelope (2000-11-28),

7. D421048 - Front surface of a stampless envelope (2000-02-22),

8. 5983209 - System and method for determination of postal item weight by context (1999-11-09),

9. 5982506 - Method and system for electronic document certification (1999-11-09),

10. D414511 - Front surface of a stampless envelope (1999-09-28),

11. D405112 - Window portion of a stampless envelope (1999-02-02),

12. D405111 - Window portion of a stampless envelope (1999-02-02),

13. 5825893 - System and method for registgration using indicia (1998-10-20),

14. 5822739 - System and method for remote postage metering (1998-10-13),

15. 5819240 - System and method for generating personalized postage indica (1998-10-06),

E-Stamp Corporation, based in Houston, TX, specializes in innovative electronic stamping solutions that streamline document processing and enhance security. The company focuses on developing advanced technologies for digital signatures and secure transaction management, catering to various industries including finance, government, and healthcare. E-Stamp's commitment to improving efficiency and reliability in document handling positions it as a key player in the evolving landscape of digital transformation.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

29 Patents

#178 in Houston, TX

#640 in Texas

#11,615 in US

#22,530 in the World

Houston, TX, United States of America

E-Stamp Corporation

Forward Citations = 2,328

8 inventors:

Salim G Kara (25 out of 29 patents)

Salim G Kara (4 out of 21 patents)

Jonathan W Whitney (3 out of 3 patents)

4. David M Gressett (3 out of 3 patents)

5. Martin J Pagel (2 out of 12 patents)

Please report any incorrect information to [email protected]

Loading…