Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6293743 | Expansion anchor and method therefor | Richard J. Ernst, Edward D. Yates | 2001-09-25 |
| 6293744 | Fastener system including a fastener and a cap | Dave C. Hempfling, George G. Dewey | 2001-09-25 |
| 6142352 | Roofing washer-dispensing and fastener-driving machine | Paul M. Larson, Riaz Hasan | 2000-11-07 |
| 5979735 | Fastener collation tube for stand-up fastener driving tool | Gilbert Olvera | 1999-11-09 |
| 5921454 | Roofing washer-dispensing and fastener-driving machine | Paul M. Larson, Riaz Hasan | 1999-07-13 |
| 5918789 | Fastner collation tube for stand-up fastener driving tool | Gilbert Olvera | 1999-07-06 |
| 5908278 | Stress plate with depending sleeve | S. Riaz Hasan | 1999-06-01 |
| 5897045 | Fastener dispensing apparatus for stand-up fastener driving tool and method therefor | Gilbert Olvera, George G. Dewey | 1999-04-27 |
| 5816759 | Expansion anchor and method therefor | Richard J. Ernst, Edward D. Yates | 1998-10-06 |
| 5673816 | Roofing washer magazine for barbed roofing washers | Paul M. Larson, William J. Blucher | 1997-10-07 |
| 5555780 | Roofing washer-dispensing and fastener-driving machine | John R. Beach, Daniel James Kenny, Syed R. Hasan, James E. Doherty | 1996-09-17 |
| 5445297 | Roofing washer-dispenser | John R. Beach, Daniel James Kenny, Syed R. Hasan, James E. Doherty | 1995-08-29 |
| 5020693 | Dosage control for adhesive dispenser | Richard J. Ernst, Frederick G. Sevald, Marian Olma | 1991-06-04 |
| 4907727 | Dispensing device having improved plunger assemblies | Richard J. Ernst | 1990-03-13 |