Company Filing History:
2 out of 12 
2 out of 41,672 
1 out of 3 Years Active: 2012-2017
Title: Mark Williams Jacobstein: Innovator in Voicemail and Location Sharing Technologies
Introduction
Mark Williams Jacobstein is a notable inventor based in San Francisco, CA. He holds a total of six patents, showcasing his contributions to the fields of messaging and location-aware mobile communication. His innovative work has significantly impacted how users interact with voicemail services and share their locations securely.
Latest Patents
Jacobstein's latest patents include "Methods and apparatus for providing messaging using voicemail." This invention allows customized outgoing messages to be sent to callers based on their identification. Subscribers can select specific contacts to receive personalized messages, while other callers receive a general outgoing message. Additionally, this patent enables the distribution of voicemail messages to social networking sites, allowing subscribers to share received messages easily.
Another significant patent is "Secure and private location sharing for location-aware mobile communication devices." This invention describes a location-sharing network manager process that operates on a server connected to multiple mobile devices. It determines the geographic location of a user's mobile device and displays a map representation of the area. The system allows users to establish trusted relationships for location sharing, ensuring privacy and security through mutual consent.
Career Highlights
Jacobstein has worked with prominent companies such as Green Dot Corporation and Qualcomm Incorporated. His experience in these organizations has contributed to his expertise in developing innovative technologies that enhance communication and user experience.
Collaborations
Some of Jacobstein's notable coworkers include Isaac David Guedalia and Jacob Guedalia. Their collaborative efforts have likely played a role in advancing the projects they have worked on together.
Conclusion
Mark Williams Jacobstein's contributions to voicemail and location-sharing technologies demonstrate his innovative spirit and commitment to enhancing communication. His patents reflect a deep understanding of user needs and the importance of privacy in today's digital landscape.