This inventor holds 7 USPTO granted patents. Top assignees: Hewlett-Packard Development Company, L.p., Hewlett-Packard Company. Active years: 1994-2008.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
5 out of 27,679 
2 out of 9,639 
Years Active: 1994-2008
Title: Richard M Butler: Innovator in Cryptography and User Verification
Introduction
Richard M Butler is a notable inventor based in Fort Collins, CO (US). He has made significant contributions to the fields of cryptography and user verification, holding a total of 7 patents. His innovative work has paved the way for advancements in secure computing and user authentication.
Latest Patents
One of Butler's latest patents focuses on the generation of cryptographically strong random numbers using Multiple Input Shift Registers (MISRs). In this invention, values are retrieved from several MISRs connected to microprocessor buses, and a random number is generated based on these values. Another embodiment involves a built-in self-test (BIST) local block of a microprocessor, where each MISR is assigned a minor address. An instruction is issued to initialize the MISRs, and their readings are XORed to generate an encryption key. Additionally, Butler has developed a method and apparatus that allow computer users to verify their password input. This process involves hashing the password to generate an N-bit number, which is then used to retrieve recognizable objects associated with the password. If the user can verify these objects, the password is accepted as correct.
Career Highlights
Throughout his career, Richard M Butler has worked with prominent companies, including Hewlett-Packard Development Company, L.P. and Hewlett-Packard Company. His experience in these organizations has contributed to his expertise in technology and innovation.
Collaborations
Butler has collaborated with notable individuals in his field, including Louis T Mills and Havyn Eugene Bradley. These partnerships have likely enriched his work and led to further advancements in his projects.
Conclusion
Richard M Butler's contributions to cryptography and user verification demonstrate his innovative spirit and technical expertise. His patents reflect a commitment to enhancing security in computing, making him a significant figure in the field of technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile