Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11255094 | Expanding foam insulating system and method | Brian A. Murch, Marc Laverdiere | 2022-02-22 |
| 8234844 | Packaging assemblies and method of fabricating same | Laurence B. Sperry | 2012-08-07 |
| 7882954 | Packaging assemblies and method of fabricating same | Laurence B. Sperry | 2011-02-08 |
| 6971221 | Packaging method and apparatus | Laurence B. Sperry, Eric Kane, Jesse S. Drake | 2005-12-06 |
| 6895732 | Packaging apparatus and method | Laurence B. Sperry, Eric Kane, Jesse S. Drake | 2005-05-24 |
| 6862868 | System and method for production of foam-in-bag cushions | Laurence B. Sperry, Eric Kane, Jesse S. Drake | 2005-03-08 |
| 6629599 | Foam in bag packaging system | Laurence B. Sperry, Kerry McKinley, George Bertram | 2003-10-07 |
| 6272813 | Foam in bag packaging system | Laurence B. Sperry, Kerry McKinley, George Bertram | 2001-08-14 |
| 6231925 | Method for adhering precious metal to vitreous substances | — | 2001-05-15 |
| 5996782 | Foam in bag packaging system for manual use | Laurence B. Sperry, George Bertram, Charles Kannankeril | 1999-12-07 |
| 5913603 | Mixing device for foam-in-bag packaging system | Laurence B. Sperry | 1999-06-22 |
| 5873221 | Foam in bag packaging system | Laurence B. Sperry | 1999-02-23 |
| 5699902 | Foam in bag packaging system | Laurence B. Sperry | 1997-12-23 |