Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7934895 | Self-drilling anchor | Richard J. Ernst, George B. Dowse, James W. Robinson | 2011-05-03 |
| 7266874 | Method of installing a self-drilling anchor | Richard J. Ernst, George B. Dowse, James W. Robinson | 2007-09-11 |
| 6293744 | Fastener system including a fastener and a cap | Dave C. Hempfling, Sigismund G. Paul | 2001-09-25 |
| 6109165 | Piston retention device for combustion-powered tools | George M. Velan | 2000-08-29 |
| 5911350 | Fastener detection and firing control system for powered fastener driving tools | Richard P. Bolger, G. Michael Velan, E. Jonathan Wendling | 1999-06-15 |
| 5897045 | Fastener dispensing apparatus for stand-up fastener driving tool and method therefor | Gilbert Olvera, Sigismund G. Paul | 1999-04-27 |
| 5860580 | Piston retention device for combustion-powered tools | George M. Velan | 1999-01-19 |
| 5794831 | Fastener detection and firing control system for powered fastener driving tools | G. Michael Velan, Richard P. Bolger, E. Jonathan Wendling | 1998-08-18 |
| 5413444 | Self-drilling fastener | Louis Thomas, Daniel James Kenny, Syed R. Hasan | 1995-05-09 |
| 5302068 | Fastener having recessed, non-circular head, and fastener-driving tool | Michael Janusz | 1994-04-12 |
| 5199506 | Fastener-driving tool assembly with improved fastener-loading features | Ronald J. Allen | 1993-04-06 |
| 5199625 | Fastener-driving tool assembly with improved fastener-loading features | Ronald J. Allen | 1993-04-06 |
| 5193729 | Fastener-driving tool assembly with improved fastener-loading features | Ronald J. Allen | 1993-03-16 |
| 5067864 | Self-drilling fastener for plasterboard wall | Ralph D. Tenuta | 1991-11-26 |
| 4545270 | Device for assuring predetermined joint loading in roof insulation assemblies | — | 1985-10-08 |
| 4397412 | Standup screw gun for long fasteners | — | 1983-08-09 |
| 4380413 | Load-distributive washer for use with compressible material | — | 1983-04-19 |
| 4349929 | Twist-lock connection and tool utilizing same | — | 1982-09-21 |
| D263927 | Roof insulation washer | — | 1982-04-20 |
| D263928 | Roof insulation washer | — | 1982-04-20 |
| D263678 | Roof insulation washer | — | 1982-04-06 |
| 4236555 | Stand-up screwgun | — | 1980-12-02 |
| 4218794 | Hole-drilling and fastener-driving combination tool | Bernd Seidel | 1980-08-26 |