Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833857 | Spacer member for reinforcing steel | — | 1989-05-30 |
| 4803825 | Beam chair | — | 1989-02-14 |
| 4800702 | Steel placement member | — | 1989-01-31 |
| 4780953 | Method of assembling a submersible electric motor | Darryl M. Nielsen | 1988-11-01 |
| 4748785 | Support member for reinforcing steel | — | 1988-06-07 |
| 4708589 | Roll-formed submersible pump | Darryl N. Nielsen | 1987-11-24 |
| 4709124 | Watertight electrical connector | Darryl M. Nielsen | 1987-11-24 |
| 4684331 | Vaned slinger for pumps | Nyle D. LaGrange, Darryl M. Nielsen | 1987-08-04 |
| 4644726 | Steel placement assembly | — | 1987-02-24 |