Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11814264 | Yoke assembly for suspending an elevator car or a counterweight in a shaft of an elevator | Richard L. Hollowell | 2023-11-14 |
| 10590538 | Vacuum treatment apparatus | Bart Scholte Von Mast, Wolfgang Rietzler, Rogier Lodder, Rolf Bazlen | 2020-03-17 |
| 10138553 | Vacuum treatment apparatus | Bart Scholte Von Mast, Wolfgang Rietzler, Rogier Lodder, Rolf Bazlen | 2018-11-27 |
| 9396981 | Vacuum treatment apparatus | Bart Scholte Von Mast, Wolfgang Rietzler, Rogier Lodder, Rolf Bazlen | 2016-07-19 |
| 9252037 | Vacuum treatment apparatus and a method for manufacturing | Bart Scholte Von Mast, Wolfgang Rietzler, Rogier Lodder, Rolf Bazlen | 2016-02-02 |
| 9157253 | Portable driving device | — | 2015-10-13 |
| 8640787 | Portable post driving apparatus | — | 2014-02-04 |
| 5819857 | Portable post driving apparatus | — | 1998-10-13 |
| 5380065 | Mechanical linkage for an arm rest | — | 1995-01-10 |
| 5328245 | Chair having adjustable back support | Thomas J. Marks | 1994-07-12 |
| 4844108 | Tent | — | 1989-07-04 |
| 4721428 | Tennis ball retriever | David C. Rohrer | 1988-01-26 |