HG

H. Erwin Grellmann

Tektronix: 11 patents #75 of 1,698Top 5%
Overall (All Time): #473,374 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5975690 Solid ink stick supply system John B. Gilbert, Robert C. Tidrick, Perry E. Wingfield 1999-11-02
5917528 Solid ink stick supply apparatus and method John B. Gilbert, Robert C. Tidrick, Randy C. Karambelas, William Bruce Weaver, James B. Jensen +1 more 1999-06-29
5821952 Method for automatic print head spacing in an ink jet printer David D. Martenson, Robert C. Tidrick 1998-10-13
5761597 Fusing apparatus for a printer Craig W. Smith, Leonard Guan, David D. Martenson 1998-06-02
5109177 Damped cradle for saw device Emmanuel Sang 1992-04-28
4789791 Rotary drive mechanism 1988-12-06
4721481 Replaceable RF connector Gerald K. Hein, Brian A. Ohlemeier, Randy C. Karambelas 1988-01-26
4686492 Impedance match connection using multiple layers of bond wires Leonard A. Roland 1987-08-11
4670723 Broad band, thin film attenuator and method for construction thereof Leonard A. Roland, Larry R. Lockwood 1987-06-02
4657322 Microwave interconnect Keith E. Jones, Carl W. Laakso, John A. Wright 1987-04-14
4598334 Capacitive tuning screw Keith E. Jones, John A. Wright 1986-07-01