Company Filing History:
2 out of 3 
1 out of 1,934 
1 out of 832,880 Years Active: 2002-2011
Title: The Innovations of Donald Cronin Schmadel, Jr.
Introduction
Donald Cronin Schmadel, Jr. is an accomplished inventor based in College Park, MD (US). He holds a total of 4 patents that showcase his contributions to the field of optical technology. His work has significantly advanced the capabilities of optical systems, particularly in microscopy and switching technologies.
Latest Patents
Among his latest patents is the invention of optical fiber probe tips and methods for fabricating them. This innovative method involves immersing the distal end of an optical fiber into an etching solution, allowing for the simultaneous etching of both the cladding and the core. This process results in a tapered cladding and core tip, making the optical fiber probe tips suitable for near-field scanning optical microscopy (NSOM). Another notable patent is for an optical switch system that utilizes phase spatial light modulators as optical switching elements. This system allows for the deflection of input light beams through a series of optical deflectors, mirrors, and modulators, enabling advanced routing and cross-connection of optical signals.
Career Highlights
Throughout his career, Donald has worked with various companies, including Comptic, Inc. His experience in the industry has allowed him to develop and refine his innovative ideas, leading to the successful patenting of his inventions.
Collaborations
Donald has collaborated with notable individuals in his field, including William H. Culver and Howard Dennis Drew. These collaborations have contributed to the development and enhancement of his patented technologies.
Conclusion
Donald Cronin Schmadel, Jr. is a prominent figure in the realm of optical technology, with a focus on innovations that improve optical systems. His patents reflect a commitment to advancing the field and demonstrate his expertise as an inventor.