Issued Patents All Time
Showing 76–94 of 94 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D473890 | Lighted eyeglasses | — | 2003-04-29 |
| 6470877 | Heating apparatus | — | 2002-10-29 |
| D464984 | Eyeglasses | — | 2002-10-29 |
| 6406144 | Eyeglass apparatus | — | 2002-06-18 |
| 6390372 | Cards with reading lenses | — | 2002-05-21 |
| 6332822 | Soft diving stick | Michael Greenberg, Richard J. Greenberg | 2001-12-25 |
| 6245004 | Machine for performing a manufacturing operation on a sheet of material and method of operation | — | 2001-06-12 |
| 6192878 | Heating apparatus | — | 2001-02-27 |
| 6164273 | Heating apparatus | — | 2000-12-26 |
| RE36847 | Automated self-cleaning litter box for cats | — | 2000-09-05 |
| 6102031 | Heating apparatus | — | 2000-08-15 |
| 5860241 | Electronic gun lock | — | 1999-01-19 |
| 5632232 | Pet training system | — | 1997-05-27 |
| 5477812 | Automated self-cleaning litter box for cats | — | 1995-12-26 |
| 4680001 | Passive mold cooling and heating system | — | 1987-07-14 |
| 4623497 | Passive mold cooling and heating method | — | 1986-11-18 |
| 4573893 | Extrusion die with external and internal cooling means | Daniel P. Boll | 1986-03-04 |
| 4364893 | Mold atmosphere control system | — | 1982-12-21 |
| 4314452 | Compressor discharge converter | — | 1982-02-09 |