Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12104715 | Vacuum valve | Thomas R. Hodapp, David W. CRONE | 2024-10-01 |
| 7144056 | Detection and handling of semiconductor wafers and wafers-like objects | Alexander Berger, Frank E. Kretz | 2006-12-05 |
| 7104579 | Detection and handling of semiconductor wafers and wafer-like objects | Alexander Berger, Frank E. Kretz | 2006-09-12 |
| 7027894 | Article holders with sensors detecting a type of article held by the holder | Frank E. Kretz, Alexander Berger | 2006-04-11 |
| 6688662 | Detection and handling of semiconductor wafers and wafer-like objects | Alexander Berger, Frank E. Kretz | 2004-02-10 |
| 6665583 | Article holders with sensors detecting a type of article held by the holder | Frank E. Kretz, Alexander Berger | 2003-12-16 |
| 6638004 | Article holders and article positioning methods | Alexander Berger, Frank E. Kretz | 2003-10-28 |
| 6631935 | Detection and handling of semiconductor wafer and wafer-like objects | Alexander Berger, Frank E. Kretz | 2003-10-14 |
| 6615113 | Articles holders with sensors detecting a type of article held by the holder | Frank E. Kretz, Alexander Berger | 2003-09-02 |