Company Filing History:
1 out of 10 
1 out of 29,297 
1 out of 1,151 
Years Active: 1976-1987
Title: Larry D Propst: Innovator in Printing Technology
Introduction
Larry D Propst is a notable inventor based in Rowlett, TX (US), recognized for his contributions to printing technology. He holds a total of 3 patents, showcasing his innovative spirit and technical expertise in the field.
Latest Patents
One of his latest patents is for a compact plotter designed for the generation of accurate plotted images of long lengths. This compact plotter features a small area where multiple print heads are laterally scanned to print impressions on paper. The paper is incrementally advanced by an indexer, and a paper travel encoder measures the advancement. A computer and processor coordinate the printing of pattern data stored in a database with the movement of the print heads and the advancement of the paper. This innovative approach allows for precise data allocation based on the amount of paper advancement.
Another significant patent by Propst involves duplex document copying machines. This invention includes an automatic document handler that utilizes an inverting drum for duplex copying. The inverting drum is equipped with pressure belts that transport documents, and a diverter gate arrangement selectively directs documents either to a collection station or back to the drum for duplex scanning. This design enhances the efficiency of duplex copying processes.
Career Highlights
Throughout his career, Larry D Propst has worked with prominent companies such as Microdynamics, Inc. and Texas Instruments Corporation. His experience in these organizations has contributed to his development as an inventor and innovator in the printing technology sector.
Collaborations
Larry has collaborated with notable individuals in his field, including Thomas J Difloria and Elmer N Leslie. These collaborations have likely enriched his work and contributed to the advancements in his inventions.
Conclusion
Larry D Propst is a distinguished inventor whose work in printing technology has led to significant innovations. His patents reflect a commitment to improving the efficiency and accuracy of printing processes. His contributions continue to influence the industry and inspire future innovations.