Company Filing History:
5 out of 13 
1 out of 12 Years Active: 1992-1998
Title: The Innovative Contributions of William T. Holmes
Introduction
William T. Holmes is a notable inventor based in Jackson, NJ (US). He has made significant contributions to the field of electrical engineering, particularly in the design and functionality of rotary switches. With a total of 6 patents to his name, Holmes has demonstrated a commitment to innovation and practical solutions in his work.
Latest Patents
Holmes' latest patents include a rotary switch that features a terminal base molded on a lead frame. This design incorporates internal contacts and external terminals, all formed from a single metal part. The innovative aspect of this rotary switch lies in the selective removal of portions of the metal lead frame, allowing for a variety of switch configurations. Different switch actuating rotors enable the creation of various switch modes, such as single throw and double throw. The rotor is equipped with detents for retention and indexing of switch positions. Additionally, a ramp can be installed to eliminate unwanted detent positions without needing a different rotor. The design also includes 'floating' movable contact elements that complete circuits when the rotor allows a respective spring to force a movable element into contact with stationary contacts. An illuminated indicator module is mounted on a bushing surrounding the switch rotor, with the knob transmitting light from the module to the front for visibility. This module features a light distributor that directs light from a single lamp to multiple positions corresponding to the switch positions.
Career Highlights
Throughout his career, Holmes has worked with several companies, including General Automotive Specialty Co., Inc. and Data Instruments, Inc. His experience in these organizations has contributed to his expertise in developing innovative electrical components.
Collaborations
Holmes has collaborated with notable individuals in the industry, including Mark Levine and Herman W. Erichsen. These partnerships have likely enriched his work and expanded his innovative capabilities.
Conclusion
William T. Holmes is a distinguished inventor whose contributions to rotary switch technology have had a lasting impact on the field. His innovative designs and collaborative efforts reflect a dedication to advancing electrical engineering.
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