Company Filing History:
3 out of 10 
3 out of 13 
3 out of 102 Years Active: 1977-2004
Title: The Innovations of Donald R. Webster
Introduction
Donald R. Webster is a notable inventor based in Laurel, MD (US), recognized for his contributions to the field of infrared analysis and spectrophotometry. With a total of 11 patents to his name, Webster has made significant advancements in the design and functionality of analytical instruments.
Latest Patents
One of his latest patents is an infrared analysis instrument with an offset probe for particulate samples. This innovative device features a fiber optic probe designed to be inserted into a particulate sample. The probe consists of distal ends of transmitting and receiving optic fibers, with the transmitting fibers centrally located and the receiving fibers arranged in a ring around them. The receiving fibers are set back from the transmitting fibers, allowing them to carry diffusely scattered light to a spectrophotometer housing equipped with a fixed grating and an array of silicon photodetectors. This setup is capable of detecting the spectrum dispersed by the grating in the range of 500 to 1100 nm.
Another significant patent is a spectrophotometer with a light source in the form of multiple light-emitting diodes (LEDs). In this design, the LEDs transmit light through an entrance slit to irradiate an oscillating grating. The grating disperses the light toward an exit slit, which transmits a narrow bandwidth of light to the sample. As the grating oscillates, the wavelength transmitted through the exit slit is scanned across a selected spectrum. The array of diodes emits light in different wavelength bands, ensuring that at any given time, no more than two diodes are energized, allowing for precise control over the emitted light.
Career Highlights
Throughout his career, Donald R. Webster has worked with several companies, including Neotec Corporation and Pacific Scientific Instruments Company. His work in these organizations has contributed to the development of advanced analytical instruments that are widely used in various scientific applications.
Collaborations
Webster has collaborated with notable individuals in his field, including Eugene R. Ganssle. Their partnership has likely fostered innovation and the exchange of ideas, further enhancing the quality of their work.
Conclusion
Donald R. Webster's contributions to the field of analytical instruments through his patents and collaborations have significantly impacted the industry. His innovative designs continue to advance the capabilities of spectrophotometry and infrared analysis.
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