Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5139286 | Retail couponing systems with improved coupon separation | — | 1992-08-18 |
| 5102168 | Retail couponing system | — | 1992-04-07 |
| 5087407 | Method to determine actinide pollution in water | James H. Roberts, Christopher C. Preston | 1992-02-11 |
| 5052718 | Retail couponing system | — | 1991-10-01 |
| 5013887 | Torch alignment verification method and apparatus | — | 1991-05-07 |
| 4900935 | Automated scanning of track recorders having variable track density | James H. Roberts | 1990-02-13 |
| 4874951 | Solid-state track recorder dosimetry device to measure absolute reaction rates and neutron fluence as a function of time | James H. Roberts | 1989-10-17 |
| 4744939 | Method for correcting for isotope burn-in effects in fission neutron dosimeters | William N. McElroy | 1988-05-17 |
| 4713873 | Weld fixture mounting method | Leo W. Riegel | 1987-12-22 |
| 4641820 | Weld fixture mounting | Leo W. Riegel | 1987-02-10 |
| 4622200 | Non-destructive method for determining neutron exposure and constituent concentrations of a body | William N. McElroy | 1986-11-11 |
| 4341311 | Method and apparatus for sorting rivets | Robert A. Tufts, Merle S. Schillerstrom | 1982-07-27 |