Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4911543 | Microscope viewing apparatus for viewing a specimen image and an optical overlay pattern image in a comparison manner | — | 1990-03-27 |
| 4595265 | Portable field inspection microscope for inspecting a butt end of a cylindrical object, such as a fiber optics cable | Herbert D. Barham | 1986-06-17 |
| 4509834 | Positioning apparatus for positioning a workpiece relative to a frame of reference | — | 1985-04-09 |
| 4403208 | Warning-signal-producing system for a motor vehicle responsive to a vehicle-presence-indicating radio wave signal emitted by another vehicle and indicative of its presence | Frank L. Dahl | 1983-09-06 |
| 4396217 | Clamp hand protector | Steve A. Rands | 1983-08-02 |
| 4299440 | Microscope stand for microscope optics and a mutually perpendicularly adjustable work stage in an intermediate focusing plane | — | 1981-11-10 |
| D260402 | Microscope stand | — | 1981-08-25 |