Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9517916 | Mandrel with wire retainer | Eric Nelson | 2016-12-13 |
| 9156064 | Apparatus and method for sorting plant material | Klaus Koehler, Gary Tragesser | 2015-10-13 |
| 9061777 | Trolley apparatus for unloading and supporting heavy coils of wound filament material from a winding machine to a packaging table | Frank W. Kotzur, David C. Gamble, Eric Nelson | 2015-06-23 |
| 8506364 | Abrasive article having a line of weakness | Timothy T. Beyer, Brant A. Moegenburg, Schoen A. Schuknecht, Charles R. Wald | 2013-08-13 |
| 8253054 | Apparatus and method for sorting plant material | Klaus Koehler, Gary Tragesser | 2012-08-28 |
| D586370 | Random hole abrasive disc | Ian R. Owen, Charles R. Wald, Charles J. Studiner, IV, Edward J. Woo, Curtis Schmidt +1 more | 2009-02-10 |
| 6755878 | Abrasive articles and methods of making and using the same | Richard T. Paxton, David F. Slama, Robert A. Follensbee | 2004-06-29 |
| 5413264 | Serial accumulator system for filamentary material | Frank W. Kotzur, Kevin Sutton, Donald J. Hopko, Thomas H. Rosenkranz, David Franklin | 1995-05-09 |
| 5127009 | Method and apparatus for circuit board testing with controlled backdrive stress | — | 1992-06-30 |
| 4951283 | Method and apparatus for identifying defective bus devices | Aldo Mastrocola | 1990-08-21 |
| 4555783 | Method of computerized in-circuit testing of electrical components and the like with automatic spurious signal suppression | — | 1985-11-26 |