Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6032820 | Easy-open promotion compartment | Joseph M. Ladina, Wendell D. Willingham, David Cerny, David Denman, Daniel J. Denman | 2000-03-07 |
| 5915585 | Easy-open promotion compartment | Joseph M. Ladina, Wendell D. Willingham, David Cerny, David Denman, Daniel J. Denman | 1999-06-29 |
| 5819976 | Closure having self-venting, sealed promotion compartment | David Cerny, Wendell D. Willingham, Daniel J. Denman, Sheldon L. Wilde, Stephen W. McBride +4 more | 1998-10-13 |
| 5813563 | Closure having easy-open promotion compartment | David E. Babcock, Hugh C. Urmston, Daniel J. Denman, Joseph M. Ladina | 1998-09-29 |
| 5806707 | Removable inner promotional compartment closure and promotional gaming system | David Cerny, Wendell D. Willingham, Daniel J. Denman, Sheldon L. Wilde, Stephen W. McBride +2 more | 1998-09-15 |