For the Inventor, By the Inventor

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San Francisco, CA, United States of America

Callwave, Inc.

USPTO Granted Patents = 37

Trademarks = 4

Forward Citations = 2,035

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20 inventors (with patents filed for the assignee):

David S Trandal (32 out of 135 patents)

David J Brahm (17 out of 52 patents)

David Frank Hofstatter (11 out of 40 patents)

4. Leland W Kirchhoff (10 out of 59 patents)

5. Robert F Smith (10 out of 38 patents)

6. Robert A Dolan (7 out of 19 patents)

7. Colin Denison Kelley (7 out of 54 patents)

8. David C McClintock (3 out of 19 patents)

9. David Giannini (2 out of 16 patents)

10. Scott Herriman (2 out of 8 patents)

11. Donnie Tognazzini (2 out of 8 patents)

12. Robert J Duva (2 out of 15 patents)

13. John R Day (2 out of 8 patents)

14. Bob F Smith (2 out of 3 patents)

15. Adrian Van Haaften (1 out of 3 patents)

37 patents: Sort by Forward Citations

1. 8270582 - Methods and systems for routing calls (2012-09-18),

2. 8218736 - Methods and systems for confirming message delivery (2012-07-10),

3. 8214338 - Methods and systems for media storage (2012-07-03),

4. 8213581 - Apparatus and methods for telecommunication authentication (2012-07-03),

5. 8165572 - Methods and systems for call processing in a wireline and wireless network (2012-04-24),

6. 8165278 - Enhanced service levels for call-processing services (2012-04-24),

7. 8121626 - Method and systems for short message forwarding services (2012-02-21),

8. 8107609 - Methods and systems for telephony call-back processing (2012-01-31),

9. 8102986 - Methods and systems for providing telecommunications services (2012-01-24),

10. 8085922 - Methods and systems for speed dialing (2011-12-27),

11. 8064588 - Systems and methods for call screening (2011-11-22),

12. 8000455 - Methods and systems for call processing (2011-08-16),

13. 7965825 - Methods and systems for transferring voice messages and faxes over a network (2011-06-21),

14. 7907933 - Call routing apparatus (2011-03-15),

15. 7852749 - Methods and systems for routing telecommunications (2010-12-14),

CallWave, Inc. is a telecommunications company based in the United States. They offer a range of voice and messaging services to businesses and individuals. With their innovative technology, CallWave helps people stay connected with reliable communication solutions. Visit their website to learn more about their services and technology.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

37 Patents

#119 in San Francisco, CA

#2,125 in California

#8,939 in US

#17,698 in the World

San Francisco, CA, United States of America

Callwave, Inc.

Forward Citations = 2,035

20 inventors:

David S Trandal (32 out of 135 patents)

David J Brahm (17 out of 52 patents)

David Frank Hofstatter (11 out of 40 patents)

4. Leland W Kirchhoff (10 out of 59 patents)

5. Robert F Smith (10 out of 38 patents)

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