Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5102703 | Shock relieving pad | DeVere V. Lindh | 1992-04-07 |
| 4957788 | Shock relieving pad | DeVere V. Lindh | 1990-09-18 |
| 4869479 | Spring for floors and the like | DeVere V. Lindh, Frederick A. Sutton | 1989-09-26 |
| 4823883 | Shock relieving horseshoe | De Vere V. Lindh | 1989-04-25 |
| 4818632 | Plated structure exhibiting low hydrogen embrittlement | Grace F. Hsu | 1989-04-04 |
| 4798009 | Spring apparatus for shoe soles and the like | DeVere V. Lindh | 1989-01-17 |
| 4765412 | Shock relieving horseshoe | DeVere V. Lindh | 1988-08-23 |
| 4765871 | Zinc-nickel electroplated article and method for producing the same | Grace F. Hsu | 1988-08-23 |
| 4759955 | Protective, decorative and restorative coating composition and method | Grace F. Hsu | 1988-07-26 |
| 4612236 | Coating for increasing corrosion resistance and reducing hydrogen reembrittlement of metal articles | Grace F. Hsu | 1986-09-16 |
| 4529487 | Coating for increasing corrosion resistance and reducing hydrogen reembrittlement of metal articles | Grace F. Hsu | 1985-07-16 |