Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10399215 | Fastening tool for roofing fasteners with plate washers | Terry DeFoe, Bronson Hiatt, David Brown, Larry Hilovsky, Daniel Scheerer +1 more | 2019-09-03 |
| 6689449 | Roof decking membrane welding system and method | William J. Blucher, Lawrence R. Reinebach | 2004-02-10 |
| 6364972 | Method for selectively hardening a carbon steel screw | Mark D. Bauer, William A. Spring, Michael Starozhitsky | 2002-04-02 |
| 6109851 | Screws having selected heat treatment and hardening | Mark D. Bauer, William A. Spring, Michael Starozhitsky | 2000-08-29 |
| 5908278 | Stress plate with depending sleeve | Sigismund G. Paul | 1999-06-01 |
| 5018329 | Attachment of roofing washer with heat-sealed screw-washer assemblage | Louis Thomas | 1991-05-28 |