Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5342267 | Striking device | Ronald L. Adams | 1994-08-30 |
| 4970896 | Float activated gauge | Robert M. Larson | 1990-11-20 |
| 4922954 | Bi-directional pressure relief vent for a fuel tank | Robert M. Larson | 1990-05-08 |
| 4905863 | Vent for portable gas tank or the like | Barry S. Simon | 1990-03-06 |
| 4838083 | Float activated gauge | — | 1989-06-13 |
| 4641981 | Dot matrix print head | Robert H. Wilczewski | 1987-02-10 |
| 4618276 | Dot matrix print head | Robert H. Wilczewski | 1986-10-21 |
| 4587724 | Dot matrix print head | Robert H. Wilczewski | 1986-05-13 |
| 4502796 | Bearing for a rotating shaft | Robert H. Wilczewski | 1985-03-05 |
| 4484825 | Transport system for a dot matrix printing mechanism | Robert H. Wilczewski | 1984-11-27 |
| 4472071 | Apparatus for adjusting the distance between the print head and platen | Robert H. Wilczewski | 1984-09-18 |
| 4443122 | Dot matrix print head | Robert H. Wilczewski | 1984-04-17 |
| 4401392 | Dot matrix print head | Robert H. Wilczewski | 1983-08-30 |
| 4279518 | Dot matrix print head | Robert H. Wilczewski | 1981-07-21 |
| 4257282 | Transport system for a dot matrix printing mechanism | Robert H. Wilczewski | 1981-03-24 |
| 4192618 | High speed ticket printer | Nicholas Kondur, Jr., Roland R. Rucinski | 1980-03-11 |