Porter; William F.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Porter; William F..The latest application filed is for "manufacture of mineral fiber".
- Porter; William F. - Algonquin IL
- Porter; William F. - Orange CA
- Porter; William F. - Tacoma WA
- Porter; William F. - Lake Zurich IL
| Patent | Date |
|---|---|
| Manufacture of mineral fiber Grant 5,352,260 - Carlson , et al. October 4, 1 | 1994-10-04 |
| Combined dispensing box for pills and electric alarm Grant D289,738 - McLaughlin , et al. May 12, 1 | 1987-05-12 |
| Apparatus for the production of mineral fibers by means of rotating discs Grant 4,397,623 - Porter , et al. August 9, 1 | 1983-08-09 |
| Method and apparatus for the production of mineral fiber felts having fiber-leveling device Grant 4,382,809 - Porter , et al. May 10, 1 | 1983-05-10 |
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