Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8732886 | Floor machine pivot joint | Joseph Engle | 2014-05-27 |
| 7730319 | Provisional signature schemes | Zulfikar Ramzan, Craig B. Gentry | 2010-06-01 |
| 6479957 | Integral motor and control | David M. Erdman, Dale F. Yoder, Richard S. Tatman | 2002-11-12 |
| 6414408 | Integral motor and control | David M. Erdman, Dale F. Yoder, Richard S. Tatman | 2002-07-02 |
| 6348752 | Integral motor and control | David M. Erdman, Dale F. Yoder, Richard S. Tatman | 2002-02-19 |
| 6271638 | Brushless D. C. motor and control assembly | David M. Erdman, Dale F. Yoder, Richard S. Tatman | 2001-08-07 |
| 6239532 | Motor with external rotor | Robert K. Hollenbeck, David M. Erdman, Dennis P. Bobay, James Grimm, Harold B. Harms | 2001-05-29 |
| 6066905 | Dynamoelectric machine: quadrature winding retention apparatus | Kamron Mark Wright | 2000-05-23 |
| 5996209 | Method of manufacturing a dynamoelectric machine | Robert K. Hollenbeck | 1999-12-07 |
| 5986379 | Motor with external rotor | Robert K. Hollenbeck, David M. Erdman, Dennis P. Bobay, James Grimm, Harold B. Harms | 1999-11-16 |
| 5895994 | Dynamoelectric machine | Robert K. Hollenbeck | 1999-04-20 |
| 5881448 | Method for making permanent magnet rotor | — | 1999-03-16 |
| 5881447 | Method of making a permanent magnet rotor | — | 1999-03-16 |
| 5877574 | Dynamoelectric machine | — | 1999-03-02 |
| 5345129 | Permanent magnet rotor and method and apparatus for making same | — | 1994-09-06 |