Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4779812 | Toroidal electrical transformer and method of producing same | John L. Fisher, Herbert J. Macemon, James D. Richerson, Richard W. Wiedo, Joe E. Curtis, Jr. +1 more | 1988-10-25 |
| 4665952 | Apparatus and method for fabricating a low voltage winding for a toroidal transformer | Herbert J. Macemon, John L. Fisher, Clair E. Piatt, Richard W. Martin, Paul H. Winbigler | 1987-05-19 |