Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4972384 | Method for identifying hydrocarbon-zones in subsurface formations | — | 1990-11-20 |
| 4962490 | Acoustic logging method for determining the dip angle and dip direction of a subsurface formation fracture | W. D. Lyle, Jr. | 1990-10-09 |
| 4861309 | Spiral cylinder toy | Lawrence B. Grubb | 1989-08-29 |
| D299936 | Support for toy mobile | Lois E. Kelly, David Schweitzer, John Piszko, George Lopac | 1989-02-21 |
| D299935 | Mobile element | Lois E. Kelly, David Schweitzer, John Piszko, George Lopac | 1989-02-21 |
| D295198 | Crib attachment toy | Lois E. Kelly | 1988-04-12 |
| D294840 | Spinner paddle toy | Lois E. Kelly | 1988-03-22 |
| 4722713 | Baby's toy and things to arouse attention therefor | Lois E. Kelly | 1988-02-02 |
| 4720283 | Baby's marble runway toy | Lawrence B. Grubb | 1988-01-19 |
| D293000 | Rattle bird toy | Lois E. Kelly | 1987-12-01 |
| D288576 | Stackable rattle | Lawrence B. Grubb | 1987-03-03 |
| 4575828 | Method for distinguishing between total formation permeability and fracture permeability | — | 1986-03-11 |
| D275022 | Puzzle toy | Danny E. Simpson, Richard A. Chase, Lawrence B. Grubb | 1984-08-07 |
| D269533 | Rolling toy | Richard A. Chase, Danny E. Simpson | 1983-06-28 |
| D263405 | Combined grasping and handling toy rattle or similar article | Richard A. Chase, Danny E. Simpson | 1982-03-16 |
| D261970 | Display device | Thomas J. Alexandris, Phillip A. Johnson | 1981-11-24 |
| 4249333 | Infant development ring toy | Richard A. Chase, Danny E. Simpson | 1981-02-10 |
| D258160 | Combined toy harbor, village and figure therefor | Danny E. Simpson | 1981-02-03 |
| D255135 | Animate figure toy | Richard A. Chase, Danny E. Simpson | 1980-05-27 |
| D254860 | Combined grasping and handling toy rattle or similar article | Richard A. Chase, Danny E. Simpson | 1980-04-29 |
| D254795 | Toy rattle | Richard A. Chase, Thomas J. Alexandris | 1980-04-22 |