Assignee
Inventors
- Edward H. Blaine (4 patents)
- Edward J. Cragoe, Jr. (102 patents)
- Ralph F. Hirschmann (29 patents)
- John F. Nancarrow, deceased (1 patents)
- by Elisabeth M. Nancarrow, executrix (1 patents)
- Jonathan A. Tobert (4 patents)
US Patent 4510322 · Granted Apr 9, 1985