Assignee
Inventors
- Merle Wolff (6 patents)
- Mark A. Nuss (2 patents)
- Michael A. Fetchenko (1 patents)
- Andrea L. Lijoi (3 patents)
- Steven P. Sumner (3 patents)
- Joseph LaRocca (4 patents)
- Thomas Kaatz (2 patents)
US Patent 4915898 · Granted Apr 10, 1990