Assignee
Inventors
- Ernest S. Cohen (17 patents)
- Marshall N. Huberman (1 patents)
- Walter F. Krieve (2 patents)
- by Bernice C. Krieve, heir (1 patents)
- by Christine A. Krieve, heir (1 patents)
- Charles W. Lear (1 patents)
US Patent RE30479 · Granted Jan 13, 1981