Issued Patents All Time
Showing 26–50 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5120533 | Treatment of ulcers of the gastrointestinal tract using dimethylpolysiloxane | Hans-Jurgen Upmeyer | 1992-06-09 |
| 5074373 | Drive connection on a support vehicle | — | 1991-12-24 |
| 5051564 | Method and apparatus for controlling a machine | — | 1991-09-24 |
| 4968622 | Procedure for microbiologica transformation of sulphur containing harmful components in exhaust gases | Ludwig Berzaczy, Walter Etzenberger, Lothar Kloimstein, Erwin Niedermayer, Andreas Windsperger | 1990-11-06 |
| 4923167 | Slide valve with dosage regulation means | — | 1990-05-08 |
| 4903229 | Forms generating and information retrieval system | Robert T. Durst, Jr. | 1990-02-20 |
| 4862386 | Apparatus for preparing a letter | Barry H. Axelrod, Robert T. Durst, Jr., Kevin D. Hunter | 1989-08-29 |
| 4853869 | System and method for processing a letter for bulk mailing | Robert T. Durst, Jr., Guy L. Fougere, Kevin D. Hunter | 1989-08-01 |
| 4852013 | Stationery item processing apparatus | Robert T. Durst, Jr. | 1989-07-25 |
| 4800504 | Interactive outgoing and incoming mailpiece processing system | Robert T. Durst, Jr. | 1989-01-24 |
| 4800506 | Apparatus for preparing mail pieces | Barry H. Axelrod, Robert T. Durst, Jr., Kevin D. Hunter | 1989-01-24 |
| 4797832 | Letter preparing apparatus | Barry H. Axelrod, Robert T. Durst, Jr., Kevin D. Hunter | 1989-01-10 |
| 4796196 | Letter processing apparatus | Robert T. Durst, Jr. | 1989-01-03 |
| 4775246 | System for detecting unaccounted for printing in a value printing system | George B. Edelmann, Kevin D. Hunter, Arno Muller | 1988-10-04 |
| 4760534 | Mailing system with postage value transfer and accounting capability | Guy L. Fougere, Kevin D. Hunter, Ronald P. Sansone | 1988-07-26 |
| 4750459 | Dynamic pressure limitation with safety valve | — | 1988-06-14 |
| 4749495 | Process for separating oxygenous organic compounds from aqueous media | Alfred Windsperger, Anton Friedl | 1988-06-07 |
| 4743747 | Postage and mailing information applying system | Guy L. Fougere, Kevin D. Hunter, Ronald P. Sansone | 1988-05-10 |
| 4715134 | Rotary snow plough | — | 1987-12-29 |
| 4682674 | Apparatus for limiting back pressure in an exhaust-type engine suppressor | — | 1987-07-28 |
| 4592156 | Snowblower | — | 1986-06-03 |
| 4577140 | Apparatus for guiding a trackless vehicle | Gerhard Flachenecker | 1986-03-18 |
| 4498253 | Snow removal | — | 1985-02-12 |
| 4354320 | Snow plow for railed vehicle | — | 1982-10-19 |
| 4346527 | Snow removal apparatus | — | 1982-08-31 |