Company Filing History:
9 out of 1,391 
4 out of 530 
1 out of 901 
Years Active: 2005-2023
Title: The Innovative Contributions of Andrew Adams Litteer
Introduction
Andrew Adams Litteer is a notable inventor based in Clay, NY (US), recognized for his significant contributions to the field of antenna technology. With a total of 14 patents to his name, Litteer has developed innovative solutions that enhance the performance and efficiency of cellular antennas.
Latest Patents
Among his latest patents is the "Low cost high performance multiband cellular antenna with cloaked monolithic metal dipole." This invention discloses a high-performance, low-cost multiband antenna configuration featuring a low band dipole with dipole arms made from stamped sheet metal. The design incorporates a plurality of inductor structures that are strategically oriented to make the low band dipole substantially transparent to high band RF energy, thereby maintaining its performance in the low band.
Another significant patent is the "Compact antenna phase shifter with simplified drive mechanism." This invention presents a phase shifter arrangement for antennas, such as cellular antennas, that utilizes a simplified drive mechanism. The arrangement includes two phase shifters, each with two wiper arms connected to a single drive shaft. This innovative design allows for independent operation of multiple array faces, enabling the antenna to function as either a multisector or omnidirectional antenna.
Career Highlights
Litteer has worked with several prominent companies throughout his career, including Cooper Technologies Company and John Mezzalingua Associates, Inc. His experience in these organizations has contributed to his expertise in antenna technology and innovation.
Collaborations
Throughout his career, Litteer has collaborated with notable individuals such as Patrick Stephen Blincoe and Clifford Randy Helmer. These collaborations have likely played a role in the development of his innovative patents and advancements in antenna technology.
Conclusion
Andrew Adams Litteer stands out as a significant figure in the field of antenna innovation. His contributions through various patents demonstrate his commitment to enhancing technology in this area. His work continues to influence the development of efficient and high-performance antenna systems.
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.