Issued Patents All Time
Showing 26–50 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5610711 | Remote pointing system for a self-leveling laser instrument | — | 1997-03-11 |
| 5584458 | Quick-action mount for self-leveling laser | — | 1996-12-17 |
| 5541727 | Automatic level and plumb tool | Christiaan A. Ligtenberg | 1996-07-30 |
| 5524352 | Automatic level and plumb tool | Christiaan A. Ligtenberg | 1996-06-11 |
| 5500524 | Diode laser co-linear light beam generator | — | 1996-03-19 |
| 5491328 | Checkout counter scanner having multiple scanning surfaces | — | 1996-02-13 |
| RE35117 | Scanner with coupon validation | Jeffrey M. Novak | 1995-12-12 |
| 5459932 | Automatic level and plumb tool | Christiaan A. Ligtenberg | 1995-10-24 |
| 5426507 | Laser-based pipe alignment device and method | — | 1995-06-20 |
| 5329103 | Laser beam scanner with low cost ditherer mechanism | — | 1994-07-12 |
| 5287627 | Automatic plumb and level tool with acoustic measuring capability | — | 1994-02-22 |
| 5256864 | Scanning system for preferentially aligning a package in an optimal scanning plane for decoding a bar code label | Howard N. Roberts, Thomas C. Arends | 1993-10-26 |
| 5214270 | Modular handheld or fixed scanner | — | 1993-05-25 |
| 5182863 | Automatic plumb and level tool with acoustic measuring capability | — | 1993-02-02 |
| 5146463 | Pointer beam for hand-held laser scanner | — | 1992-09-08 |
| 5128520 | Scanner with coupon validation | Jeffrey M. Novak | 1992-07-07 |
| 5075977 | Automatic plumb and level tool | — | 1991-12-31 |
| 4949742 | Temperature operated gas valve | Ilya M. Fishman | 1990-08-21 |
| 4939356 | Bar code scanner with asterisk scan pattern | H. Nick Roberts, John F. O'Brien | 1990-07-03 |
| 4939355 | Automatic package label scanner | H. Nicks Roberts | 1990-07-03 |
| 4930263 | Forming markings on a vial surface | — | 1990-06-05 |
| 4915757 | Creation of three dimensional objects | — | 1990-04-10 |
| 4912851 | Level/plumb indicator with tilt compensation | Henry L. Schwartz | 1990-04-03 |
| 4895440 | Laser-based measurement system | Gary Cain, Mark D. Sobottke | 1990-01-23 |
| 4891820 | Fast axial flow laser circulating system | Dale E. Koop | 1990-01-02 |