Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5402578 | Apparatus and method of joining a handle securing screw to the tang of a knife | Edward S. Hudack | 1995-04-04 |
| 5228264 | Method of affixing rubber roofing sheets to the upper surface of a roof | — | 1993-07-20 |
| 5176316 | System for alleviating and reducing moisture beneath a roofing structure | — | 1993-01-05 |
| 5143498 | Roofing fastening device | — | 1992-09-01 |
| 5083886 | Irrigation system | — | 1992-01-28 |
| 4945691 | Device for securing roof coverings on buildings | — | 1990-08-07 |
| 4860513 | Roofing fastener | — | 1989-08-29 |
| 4793116 | Bonding plate for use in rubber roof installation | — | 1988-12-27 |
| 4788807 | Fastening plate for facilitating installation of rubber roof covering | — | 1988-12-06 |
| 4751802 | Device for facilitating installation of rubber roof sheets | — | 1988-06-21 |
| 4747241 | Device for facilitating installation of rubber roof sheets | — | 1988-05-31 |
| D282175 | Hub for flexible lawn mower blades | — | 1986-01-14 |
| 4461138 | Hub for flexible cutting blades | — | 1984-07-24 |