Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5492500 | Balloons having improved resistance to oxidation | Donald K. Burchett | 1996-02-20 |
| 5244429 | Gas barrier coating and coated elastomeric toy balloons | — | 1993-09-14 |
| RE30754 | Process for the preparation of graft copolymers | Clarence F. Hammer | 1981-09-29 |
| 4225476 | Adhesive blend of wood rosin and thermoplastic graft copolymer | Clarence F. Hammer | 1980-09-30 |
| RE30322 | Novel elastomeric graft copolymers | Clarence F. Hammer | 1980-07-01 |