Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6124873 | Electrostatic writing head having integral conductive pads | Michael A. Sprauve, Joseph A. Chizuk, Jr. | 2000-09-26 |
| 6056453 | Method of manufacture of an electrostatic writing head having integral conductive pads | James R. Hufman, Joseph A. Chizuk, Jr., George W. Davis, Derrick Arnold Kendrick, Michael A. Sprauve +1 more | 2000-05-02 |
| 5885400 | Method for joining rigid substrates at abutting lateral edges | George W. Davis, Michael A. Sprauve | 1999-03-23 |
| 5815189 | Electrostatic writing head having a head member of multiple joined sections | Michael A. Sprauve | 1998-09-29 |