Assignee
Inventors
- Pamela P. Keister (2 patents)
- Ralph T. Mead (10 patents)
- Barry C. Muffoletto (65 patents)
- Ester S. Takeuchi (1 patents)
- Steven J. Ebel (6 patents)
- Michael A. Zelinsky (3 patents)
- John M. Greenwood, Jr. (6 patents)
US Patent 4830940 · Granted May 16, 1989