Company Filing History:
Years Active: 1987-1993
Title: The Innovations of William T. Callaham
Introduction
William T. Callaham is an accomplished inventor based in Richmond, VA. He has made significant contributions to the field of tobacco products, holding a total of 2 patents. His work focuses on enhancing the design and production methods of filter cigarettes.
Latest Patents
One of Callaham's latest patents is for a filter cigarette that features a unique design. This cigarette comprises a tobacco rod and a filter portion made from a fluted tubular extrusion. The flutes are strategically blocked between the rod end and the mouth end of the extrusion. The tobacco rod is wrapped with a porous wrapper that includes a longitudinal band of perforations. Additionally, the fluted tubular extrusion is attached to the tobacco rod with tipping paper, which is further circumscribed by a mouthband and a rodband of perforations. A rod made of charcoal-impregnated filter material may also be included to enhance filtration.
Another notable patent by Callaham is a method and apparatus for producing cigarette filler. This innovative process involves cutting whole tobacco leaves, including stems, to create strands of lamina and strands of stem and lamina. The strands are carded to disentangle them and then separated to isolate the strands of lamina for use as filler. This method allows for multiple iterations of carding and separating to ensure the highest quality of tobacco filler.
Career Highlights
William T. Callaham is currently employed at Philip Morris Inc., where he continues to develop innovative tobacco products. His expertise in the field has led to advancements that improve both the functionality and quality of cigarettes.
Collaborations
Throughout his career, Callaham has collaborated with notable colleagues, including Reginald W. Newsome and Alexander S. Gergely. These partnerships have contributed to the development of new technologies and methods in the tobacco industry.
Conclusion
William T. Callaham's contributions to the tobacco industry through his patents and innovative methods have made a significant impact. His work continues to influence the design and production of tobacco products, showcasing his dedication to innovation in this field.