Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE48394 | Lightweight thermal shield | Brian C. Lehr, Jeffery L. Barrall | 2021-01-12 |
| 9784404 | Lightweight thermal shield | Brian C. Lehr, Jeffery L. Barrall | 2017-10-10 |
| 9297596 | Lightweight thermal shield | Brian C. Lehr, Jeffery L. Barrall | 2016-03-29 |
| 7278639 | Edge coated gaskets and method of making same | Brian C. Lehr, Dennis Dempsey, Jeffery L. Barrall, Linda L. Sload, Christopher L. Morris | 2007-10-09 |
| 7014193 | Gasket with selectively positioned seal enhancement zones | — | 2006-03-21 |
| 6923998 | Edge coated gaskets and method of making same | Brian C. Lehr, Dennis Dempsey, Jeff Barrall, Linda L. Sload, Christopher L. Morris | 2005-08-02 |
| 6733015 | Gaskets with controlled flange surface adhesion properties | Brian C. Lehr | 2004-05-11 |
| 6702296 | Gaskets with selectively positioned seal enhancement zones | — | 2004-03-09 |
| 6626439 | Edge coated gaskets and method of making same | Brian C. Lehr, Dennis Dempsey, Jeff Barrall, Linda L. Sload, Christopher L. Morris | 2003-09-30 |
| 6268020 | Method of fabricating high sealing gaskets | Brian C. Lehr, Dennis Dempsey, Christopher L. Morris, Linda L. Sload | 2001-07-31 |
| 6247703 | High-pressure compression-failure resistant and high sealing gasket | Brian C. Lehr | 2001-06-19 |
| 6093467 | High sealing gaskets | — | 2000-07-25 |
| 5611549 | Gasket structure with tapered bolt area densification | — | 1997-03-18 |
| 5437898 | Ceramic veneer composite structure | Thomas C. Simonton, William C. Welch, Jerome D. Wisnosky | 1995-08-01 |
| 5411791 | Ceramic veneer composite structure | Thomas C. Simonton, William C. Welch, Jerome D. Wisnosky | 1995-05-02 |
| 5325647 | Composite ceiling grid | Chester W. Hallett | 1994-07-05 |
| 5307233 | Electrically conductive material | — | 1994-04-26 |
| 5276082 | Halogen-free floor covering | Susan M. Von Stetten | 1994-01-04 |
| 4791015 | Ornamented tile surface covering | Stephen E. Becker, Walter J. Lewicki, Jr., Richard M. Ringer | 1988-12-13 |
| 4747901 | Process for making a stress-free embossed and ornament surface covering | Stephen E. Becker, Walter J. Lewicki, Jr., Richard M. Ringer | 1988-05-31 |
| 4676937 | Method for the preparation of a molded tile product | David S. Brown, Nancy E. Mentzer, Donald J. Misselhorn | 1987-06-30 |
| 4619860 | Foamed phosphate tile products | David S. Brown, Nancy E. Mentzer, Donald J. Misselhorn | 1986-10-28 |
| 4585685 | Acoustically porous building materials | Karl B. Himmelberger | 1986-04-29 |
| 4562510 | Material repulsion by electrostatic charge | John R. Garrick | 1985-12-31 |
| 4476175 | Building materials comprising non-woven webs | John R. Garrick | 1984-10-09 |