Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9847750 | Coaxial drive tracking system for use with photovoltaic systems | Peter S. Young, Douglas Kiesewetter | 2017-12-19 |
| 9224898 | Coaxial drive tracking system for use with photovoltaic systems | Peter S. Young, Douglas Kiesewetter | 2015-12-29 |
| 5019838 | Rotational planar chart recorder and chart therefor | William E. McKinley, Robert G. Russell | 1991-05-28 |
| 4949274 | Test meters | Milton B. Hollander, William E. McKinley, Ian K. Storer | 1990-08-14 |