Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5375663 | Earthmoving apparatus and method for grading land providing continuous resurveying | — | 1994-12-27 |
| 5334987 | Agricultural aircraft control system using the global positioning system | — | 1994-08-02 |
| 5095629 | Laser beam target | Daniel R. Klemer, Mark D. Sobottke | 1992-03-17 |
| 4888890 | Laser control of excavating machine digging depth | Robert H. Studebaker, Michael H. Kidwell | 1989-12-26 |
| 4836669 | Apparatus and method for projection of reference planes of light | — | 1989-06-06 |
| 4830489 | Three dimensional laser beam survey system | Gary Cain, DuWain K. Ake | 1989-05-16 |
| 4786178 | Apparatus and method for detecting the position and orientation of a reference beam of light | — | 1988-11-22 |
| 4770480 | Apparatus and method for providing multiple reference laser beams | — | 1988-09-13 |
| 4767208 | Self leveling transmitter for laser alignment systems | Gary Cain, Joseph F. Rando, Lawrence J. Meyers, Theodore J. Markley | 1988-08-30 |
| 4679937 | Self leveling transmitter for laser alignment systems | Gary Cain, Lawrence J. Meyers, Joseph F. Rando, Theodore J. Markley | 1987-07-14 |
| 4662707 | Lighthouse structure and compensating lens in reference laser beam projecting apparatus | Mark D. Sobottke | 1987-05-05 |
| 4654856 | Laser beam projection device and arrangement for mounting a laser plasma tube therein | Theodore J. Markley, Edward E. Hart, William C. Pohl | 1987-03-31 |
| 4629321 | Grade setting and calibration arrangement for laser beam projection device | Edward E. Hart | 1986-12-16 |
| 4526201 | Four-way valve with internal pilot | Arthur H. Geyler, Jr. | 1985-07-02 |
| 4225226 | Laser guidance system for crop spraying aircraft | Richard W. Davidson, Joseph F. Rando | 1980-09-30 |