Company Filing History:
16 out of 16 
1 out of 832,843 Years Active: 2000-2019
Title: Innovations of Henry M Kessler in Gemstone Testing
Introduction
Henry M Kessler, an innovative inventor based in Dallas, TX, has made significant contributions to the field of gemstone testing with a total of 17 patents to his name. His work primarily focuses on improving the accuracy and efficiency of testing gems, which is essential for gemologists and jewelry manufacturers.
Latest Patents
Among Kessler's latest patents is the innovative design of a grip for a gem tester and a sophisticated grading lamp for gemstones. The grading lamp is particularly noteworthy; it features a base with an open top, encompassing a bottom wall framed by upstanding walls. The hinged lid swings between various positions to control light exposure. Inside, it houses both natural and ultraviolet lights behind a light-diffusing filter. The design includes a tray for holding color reference stones and the gem under examination. This unique structure allows gemologists to mitigate outside ambient light while enhancing the examination process with direct light from either light source.
Career Highlights
Henry M Kessler has had a fruitful career, with notable involvement in Sy Kessler Sales, Inc., where he applied his inventive strategies to advance the company's offerings in the gemstone industry. His dedication to innovation has positioned him as a recognized figure in the field.
Collaborations
Kessler's creative journey has seen him collaborate with several professionals, including Daniel L Kessler and Michael Jay Zalta. These partnerships have enriched his work, allowing for an exchange of ideas that have driven his inventions forward.
Conclusion
With a portfolio of 17 patents and a dedication to improving gemstone testing, Henry M Kessler stands out as a prominent inventor in his field. His latest creations, particularly the grading lamp, demonstrate his commitment to enhancing the technology used in gemology. Kessler's innovative spirit and collaborative efforts continue to inspire advancements in the industry.