This inventor holds 5 USPTO granted patents. Top assignees: Massachusetts Institute of Technology, Mechanical Technology Incorporated, Other. Active years: 1976-1981.
Company Filing History:
3 out of 8,578 
1 out of 160 
1 out of 834,453 Years Active: 1976-1981
Title: The Innovative Contributions of Bradford Howland
Introduction
Bradford Howland is a notable inventor based in Cambridge, MA, who has made significant contributions to the field of lens evaluation and eye testing. With a total of five patents to his name, Howland's work has advanced the understanding and technology of optical testing.
Latest Patents
Among his latest patents, Howland has developed innovative test patterns for lens evaluation. These lens testing charts utilize a vernier pattern, a sawtooth pattern, and a sinusoidally varying reflectance pattern. They are designed to be used in conjunction with a lens under test, allowing for focused imaging onto high contrast film. This process provides an image from which the quality of the lens can be accurately determined. Another significant patent is his eye testing chart, which features rows of letters composed of line-strokes made up of adjoining black and white segments. This design ensures that the average reflectance matches the gray background of the chart. Each row employs a different width line stroke, with the sizes of the letters geometrically decreasing in proportion to the stroke width.
Career Highlights
Throughout his career, Bradford Howland has worked with prestigious organizations, including the Massachusetts Institute of Technology and Mechanical Technology Incorporated. His experience in these institutions has allowed him to refine his skills and contribute to groundbreaking advancements in optical technology.
Collaborations
Howland has collaborated with various professionals in his field, including his coworker Curtis D Kissinger. Their joint efforts have further propelled innovations in lens testing and evaluation.
Conclusion
Bradford Howland's contributions to the field of optical testing through his patents and collaborations highlight his role as a significant inventor. His work continues to influence the industry and improve lens evaluation techniques.