Company Filing History:
1 out of 34 
1 out of 832,812 Years Active: 1999-2006
Title: Leticia Menchaca: Innovator in Contraceptive Technology and Isotopic Analysis
Introduction
Leticia Menchaca is a distinguished inventor based in Berkeley, California. She has made significant contributions to the fields of contraceptive technology and isotopic analysis, holding two patents that showcase her innovative spirit and technical expertise.
Latest Patents
Her latest patents include a "Thin film intrauterine device," which consists of contraceptive intrauterine devices made from thin film shape memory alloy materials. These devices are designed in three-dimensional shapes that contact the uterine tissue of humans or other mammals to prevent conception. The design incorporates structural features such as tails, fenestrations, ridges, or grooves to enhance the contraceptive effect. Another notable patent is the "Method for determination of .sup.18 O/.sup.16 O and .sup.2 H/.sup.1 H," which outlines a method for determining the ratios of .sup.18 O/.sup.16 O and .sup.2 H/.sup.1 H, as well as .sup.3 H concentrations in xylem and subsurface waters. This method utilizes time series sampling and insulating sampling chambers to collect water samples transpired from living plants, correcting the isotopic compositions to account for evaporative isotopic fractionation.
Career Highlights
Throughout her career, Leticia has worked with various companies, including Tini Alloy Company. Her work has significantly impacted the development of innovative solutions in her fields of expertise.
Collaborations
Leticia has collaborated with notable individuals such as A David Johnson and Vikas Gupta, contributing to her success and the advancement of her projects.
Conclusion
Leticia Menchaca's innovative contributions to contraceptive technology and isotopic analysis highlight her role as a leading inventor. Her patents reflect her commitment to advancing scientific knowledge and improving human health.