Issued Patents All Time
Showing 26–50 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4893249 | Mailing machine | — | 1990-01-09 |
| 4870465 | Toner removal and surface abrading apparatus for a charge retentive surface | Nero R. Lindblad | 1989-09-26 |
| 4868607 | Electrophotographic device with a bead pickoff arrangement | Jeffrey J. Folkins | 1989-09-19 |
| 4865139 | Inker module for a modular mailing machine | Jack Andrew Cohen, Gordon G. E. Stricker | 1989-09-12 |
| 4800505 | Mail preparation system | Barry H. Axelrod, Robert T. Durst, Jr., Kevin D. Hunter, Leon A. Pintsov, William G. Hart, Jr. | 1989-01-24 |
| 4778018 | Apparatus and method of determining the mass of an article by measuring the shift in the period of harmonic motion | Robert A. Cordery, William G. Hart, Jr., David W. Hubbard | 1988-10-18 |
| 4775142 | Roller apparatus for side registration of documents | — | 1988-10-04 |
| 4723144 | Developing or cleaning unit for an electrophotographic printing machine | — | 1988-02-02 |
| 4666144 | Plural speed belt document feeder | — | 1987-05-19 |
| 4634112 | Plural belt document feeder | — | 1987-01-06 |
| 4618138 | Plural belt document feeder | — | 1986-10-21 |
| 4596385 | Top vacuum corrugation feeder with moveable air blocking vane | — | 1986-06-24 |
| 4593897 | Bottom stacking with air knife levitation and articulating seals | — | 1986-06-10 |
| 4589652 | Plural level vacuum document feeder | — | 1986-05-20 |
| 4589651 | Vacuum document feeder | — | 1986-05-20 |
| 4576461 | Sheet hinge forming apparatus | — | 1986-03-18 |
| 4553828 | Recirculative document inverter | William R. Burger, James E. Hutton | 1985-11-19 |
| 4462586 | Sheet feeding apparatus | John Browne | 1984-07-31 |
| 4397459 | Apparatus for detecting the flotation level in an air supported sheet separating and feeding device | John Browne, Dale W. Young | 1983-08-09 |
| 4391505 | Over-platen document registration apparatus | — | 1983-07-05 |
| 4381860 | Paddle wheel retard feeder | — | 1983-05-03 |
| 4381893 | Recirculating document lateral registration | — | 1983-05-03 |
| 4368973 | Recirculating document feeder | — | 1983-01-18 |
| 4365889 | Document handling unit | — | 1982-12-28 |
| 4324395 | Sheet separator | — | 1982-04-13 |