Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5016832 | Method and apparatus for winding an amorphous magnetic toroidal transformer core | Douglas C. Burns, John E. Cloyd | 1991-05-21 |
| 4896839 | Apparatus and method for winding a strip of material into an arcuate elongate passage | Clair E. Piatt, John L. Fisher, John E. Cloyd | 1990-01-30 |
| 4779812 | Toroidal electrical transformer and method of producing same | John L. Fisher, Herbert J. Macemon, James D. Richerson, Richard W. Wiedo, James F. Rafferty +1 more | 1988-10-25 |
| 4765861 | Apparatus and method for winding a toroidal magnetic core onto a bobbin for a toroidal transformer | Richard W. Martin, Clair E. Piatt, Hubert L. R. Mohney, J. Richard McClelland, John L. Fisher | 1988-08-23 |
| 4741484 | Apparatus and method for winding a magnetic core for toroidal transformer | Clair E. Piatt, John L. Fisher, John E. Cloyd | 1988-05-03 |
| 4494102 | Transformer core and method and apparatus for forming same | John L. Fisher | 1985-01-15 |