Company Filing History:
2 out of 5 
1 out of 14 
1 out of 8 Years Active: 1981-1989
Title: Wolfgang Spiegelstein: Innovator in Tape Drive Technology
Introduction
Wolfgang Spiegelstein is a notable inventor based in Glendale, CA (US). He has made significant contributions to the field of technology, particularly in the development of tape drive systems. With a total of 4 patents to his name, Spiegelstein's work has had a lasting impact on the industry.
Latest Patents
One of his latest inventions is the cartridge tape drive. This innovative device is designed for endwise loading of tape cartridges and features a retractable friction roll that opens the tape access door as the cartridge is loaded into the drive. Additionally, a pivoted cartridge carriage swings the loaded cartridge across the loading path of travel to an operative position, engaging with the drive motor and magnetic head. The design of the drive is optimized to fit within the 'footprint' of a standard 5¼-inch floppy disk drive, showcasing Spiegelstein's ability to create compact and efficient technology.
Career Highlights
Throughout his career, Wolfgang Spiegelstein has worked with several companies, including Kennedy Company and Irwin Magnetic Systems, Inc. His experience in these organizations has contributed to his expertise in the field of magnetic storage solutions.
Collaborations
Spiegelstein has collaborated with various professionals in the industry, including his coworker Harvey J. Hill. Their joint efforts have further advanced the development of innovative technologies in tape drives.
Conclusion
Wolfgang Spiegelstein's contributions to tape drive technology and his innovative spirit have established him as a respected figure in the field. His patents reflect a commitment to improving technology and enhancing user experience.