Issued Patents All Time
Showing 51–70 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6070781 | System for bringing the joint edges of sheet material into butting relationship for welding | Christopher A. Zurek | 2000-06-06 |
| 5951889 | System and method for laser welding | Christopher A. Zurek | 1999-09-14 |
| 5932117 | Clamping system for sheet material in a welding system | Christopher A. Zurek | 1999-08-03 |
| 5926967 | System for gauging the position of joint edges for welding | Christopher A. Zurek | 1999-07-27 |
| 5901627 | Apparatus and method for shearing material | Christopher A. Zurek | 1999-05-11 |
| 5859424 | Apodizing filter system useful for reducing spot size in optical measurements and other applications | Adam E. Norton, Joseph R. Carter | 1999-01-12 |
| 5814786 | System and method for laser butt-welding | Christopher A. Zurek | 1998-09-29 |
| 5169456 | Two-axis tracking solar collector mechanism | — | 1992-12-08 |
| 5161057 | Dispersion-compensated fresnel lens | — | 1992-11-03 |
| 4968355 | Two-axis tracking solar collector mechanism | — | 1990-11-06 |
| 4765726 | Fresnel scroll solar tracking device | — | 1988-08-23 |
| 4596937 | Digital phase-locked loop | — | 1986-06-24 |
| 4559900 | Device for coating strip material | David M. Knapke | 1985-12-24 |
| 4523192 | Data processing network | Christopher P. Burton | 1985-06-11 |
| 4419638 | Negative resistance element | — | 1983-12-06 |
| 4413227 | Negative resistance element | — | 1983-11-01 |
| 4410057 | Emergency hydraulic system | — | 1983-10-18 |
| 4372639 | Directional diffusing screen | — | 1983-02-08 |
| 4337992 | Hologram movie projection apparatus | — | 1982-07-06 |
| 4222256 | Straightener with individually removable roll and pivoted bearing housing and roll design | — | 1980-09-16 |