Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8348288 | Knee scooter | — | 2013-01-08 |
| 5345631 | Bed elevator block | Paul Saperstein | 1994-09-13 |
| 5134823 | Trim strip apparatus for concealing a joint | — | 1992-08-04 |
| 5135194 | Wall mounting system | Roy V. Nicholson, Michael E. Barrett, Robert C. Beckmann | 1992-08-04 |
| 5022618 | Mailbox support apparatus | Michael E. Barrett, Roy V. Nicholson | 1991-06-11 |
| 4928913 | Wall mounting system | Roy V. Nicholson, Michael E. Barrett, Robert C. Beckmann | 1990-05-29 |
| D281218 | Router | Michael E. Barrett, Randy G. Koon | 1985-11-05 |
| 4546357 | Furniture antenna system | H. Taylor Haynes, Robert T. Klopach, Richard C. Warner | 1985-10-08 |
| 4513381 | Speed regulator for power tool | John M. Houser | 1985-04-23 |
| 4510404 | Mounting for electronic circuit board in power hand tool | Michael E. Barrett, Randy G. Koon | 1985-04-09 |
| 4451865 | Electrical cutout for under voltage or power loss conditions | Richard C. Warner | 1984-05-29 |
| 4421487 | Electronic learning aid and game | Michael Philpott | 1983-12-20 |
| 4411628 | Electronic learning aid with picture book | Michael Philpott | 1983-10-25 |
| 4308017 | Electronic learning aid with picture book | Michael Philpott | 1981-12-29 |