Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| PP35731 | Daphne plant named ‘Moon Canyon’ | — | 2024-04-09 |
| 8534905 | Adjustable orbit imbalance compensating orbital shaker | Erik Zamirowski, Ashvin Joshi, Heinz G. Koehn, Jeffrey A. Douglas | 2013-09-17 |
| 8226291 | Adjustable orbit imbalance compensating orbital shaker | Erik Zamirowski, Ashvin Joshi, Heinz G. Koehn | 2012-07-24 |
| 6390132 | Fluid stream pulse damper | Kevin Knox | 2002-05-21 |
| 5615529 | Border blocks for tree and shrub decoration | Jan C. Johnson | 1997-04-01 |
| 4630150 | Optical tool for aligning transducer head assemblies | David W. Collins, Laurence J. Schmidt, Michael M. Siverling, William S. Wentink | 1986-12-16 |
| 4446608 | Valve spring compressor for internal combustion engine | — | 1984-05-08 |
| D257960 | Transmission shim selector | — | 1981-01-20 |