For the Inventor, By the Inventor

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Houston, TX, United States of America

E-Stamp Corporation

USPTO Granted Patents = 29

Trademarks = 2

Forward Citations = 2,328

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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)

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 is a leading provider of digital stamping solutions. We offer a full range of e-stamp services for a wide variety of industries, including legal, financial, and government sectors. Our secure and efficient digital stamping technology helps organizations streamline their processes and ensure authenticity and integrity of digital documents. With a commitment to innovation and customer satisfaction, E-stamp Corporation is trusted by businesses around the world for their digital stamping needs.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

29 Patents

#176 in Houston, TX

#638 in Texas

#11,592 in US

#22,484 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)

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