Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5195539 | Earplug compression device | Gerald V. Elstran | 1993-03-23 |
| 4964509 | Universal shipping container for hazardous liquids | Thomas I. Insley, Donald E. Young | 1990-10-23 |
| 4957943 | Particle-filled microporous materials | Jerome W. McAllister, Kevin E. Kinzer, James S. Mrozinski, Eric Joseph Johnson | 1990-09-18 |
| 4807619 | Resilient shape-retaining fibrous filtration face mask | Harvey J. Berg, Alice C. Murray | 1989-02-28 |
| 4729371 | Respirator comprised of blown bicomponent fibers | Dennis L. Krueger | 1988-03-08 |