Location History:
- West Chester, PA (US) (2011 - 2012)
- River Forest, IL (US) (2015)
Company Filing History:
3 out of 6,583 
2 out of 16,338 
Years Active: 2011-2015
Title: The Innovations of Stephen A. Lefko
Introduction
Stephen A. Lefko is an accomplished inventor based in River Forest, Illinois. He holds three patents that reflect his significant contributions to the field of plant protection and pest management. His work has implications for agriculture and the development of more effective pest control strategies.
Latest Patents
One of his latest patents is a method for evaluating plant protection. This method involves exposing a population of immature insects, such as larvae or nymphs, to a protected plant with a specific protection mechanism. The exposure lasts for a selected time period, allowing for a sublethal interaction with the plant. After this period, the insects are collected, and their physical characteristics are measured and statistically analyzed to determine the efficacy of the plant's protection mechanism. Another notable patent describes laboratory-selected colonies of western corn rootworm that exhibit increased tolerance to maize containing event DAS-59122-7. This patent also outlines methods for utilizing these resistant colonies, including the development of negative cross-resistance strategies and improved resistance management strategies.
Career Highlights
Stephen has worked with prominent companies in the agricultural sector, including Pioneer Hi-Bred International, Inc. and E.I. DuPont de Nemours and Company. His experience in these organizations has allowed him to contribute to significant advancements in plant protection technologies.
Collaborations
Throughout his career, Stephen has collaborated with notable colleagues such as Rachel R. Binning and Timothy M. Nowatzki. These partnerships have further enhanced his research and development efforts in the field.
Conclusion
Stephen A. Lefko's innovative work in plant protection and pest management demonstrates his commitment to advancing agricultural practices. His patents and collaborations reflect a dedication to improving crop resilience and pest control strategies.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.