Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8127949 | Crane backstay spreader | Daniel L. Krajnik | 2012-03-06 |
| 7954657 | Connection system for crane boom segments | Nathan P. Holly, Feng Pan | 2011-06-07 |
| RE38310 | Optical circuit on printed circuit board | Jeffery Alan DeMeritt, Gerald Schmidt, Paul A. Jakobson | 2003-11-11 |
| 6213318 | Rotatable connection system for crane boom sections | — | 2001-04-10 |
| 6173094 | Optical-transmission system having a split-gain amplifier and a signal-modifying device | John E. Bowerman, Jeffrey W. Grissom | 2001-01-09 |
| 5960970 | Multiple position wire rope guide | — | 1999-10-05 |
| 5842587 | Offsetting link assembly for folding luffing jib | Michael J. Wanek, Daniel L. Krajnik | 1998-12-01 |
| 5659641 | Optical circuit on printed circuit board | Jeffery Alan DeMeritt, Gerald Schmidt, Paul A. Jakobson | 1997-08-19 |
| D367746 | Hand held bagger | — | 1996-03-05 |
| 5487479 | Method for nesting longitudinally divisible crane boom segments | David J. Pech, Michael J. Wanek | 1996-01-30 |
| 5406767 | Longitudinally divisible crane boom segment | David J. Pech, Michael J. Wanek | 1995-04-18 |
| 4292714 | Easy opening and secure closing closure | — | 1981-10-06 |