Kasper Instruments, Inc.
Records under this name other than patents Kasper Instruments, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Back to Kasper Instruments, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 3,940,211 | Step-and-repeat projection alignment and exposure system Term ended Term ended no later than Feb 24, 1996 · Low confidence | Term ended | Term ended no later than Feb 24, 1996 | Low confidence |
| US 3,955,072 | Apparatus for the automatic alignment of two superimposed objects for example a semiconductor wafer and a transparent mask Term ended Term ended no later than May 4, 1996 · Low confidence | Term ended | Term ended no later than May 4, 1996 | Low confidence |
| US 4,040,736 | Step-and-repeat projection alignment and exposure system Term ended Term ended no later than Aug 9, 1997 · Low confidence | Term ended | Term ended no later than Aug 9, 1997 | Low confidence |
| US 4,070,117 | Apparatus for the automatic alignment of two superimposed objects, e.g. a semiconductor wafer and mask Term ended Term ended no later than Jan 24, 1998 · Low confidence | Term ended | Term ended no later than Jan 24, 1998 | Low confidence |
| US 4,153,164 | Carrier for semiconductive wafers Term ended Term ended no later than May 8, 1999 · Low confidence | Term ended | Term ended no later than May 8, 1999 | Low confidence |
| US 4,181,214 | Wafer transfer apparatus Term ended Term ended no later than Jan 1, 2000 · Low confidence | Term ended | Term ended no later than Jan 1, 2000 | Low confidence |
| US 4,228,902 | Carrier for semiconductive wafers Term ended Term ended no later than Oct 21, 2000 · Low confidence | Term ended | Term ended no later than Oct 21, 2000 | Low confidence |
| US 4,236,851 | Disc handling system and method Term ended Term ended no later than Dec 2, 2000 · Low confidence | Term ended | Term ended no later than Dec 2, 2000 | Low confidence |
| US 4,241,389 | Multiple apparent source optical imaging system Term ended Term ended no later than Dec 23, 2000 · Low confidence | Term ended | Term ended no later than Dec 23, 2000 | Low confidence |
| US 4,259,019 | Apparatus for the automatic alignment of two superimposed objects, for example a semiconductor wafer and a transparent mask Term ended Term ended no later than Mar 31, 2001 · Low confidence | Term ended | Term ended no later than Mar 31, 2001 | Low confidence |