Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4416071 | Apparatus for rapid annealing of refractory fiber bodies | Richard N. Cunningham | 1983-11-22 |
| 4294878 | Process for rapid annealing of refractory fiber bodies and laminated body produced by process | Richard N. Cunningham | 1981-10-13 |
| 4251590 | High temperature pipe insulation | Kent A. Rubright, William C. Magill, Spencer I. Meier | 1981-02-17 |
| 4233100 | Method and apparatus for manufacturing a laminated shingle | Richard N. Cunningham, Douglas D. Smith | 1980-11-11 |
| 4227960 | Apparatus for applying tape material in continuously advancing sheet material | Calvin P. Sorensen, Larry J. Weinstein | 1980-10-14 |
| 4189339 | Method for providing sections of wrapping material having a strip of adhesive tape attached to an end portion thereof | Calvin P. Sorensen, Larry J. Weinstein | 1980-02-19 |