Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6646410 | Method and apparatus for the improved control of motors and of motor-actuated work apparatus | Raymond Phillips | 2003-11-11 |
| 6269995 | Friction drive apparatus for strip material | Ronald B. Webster, Mark E. Guckin | 2001-08-07 |
| 6206263 | Material advance tracking system | Ronald B. Webster, Mark E. Guckin | 2001-03-27 |
| 5466501 | Sign making web with tack killing overcoat removable by washing and related method | David J. Logan | 1995-11-14 |
| 5344680 | Sign making web with tack killing overcoat removable by washing and related method | David J. Logan | 1994-09-06 |
| 5156089 | Method and apparatus for making a painting screen using an ink jet printer for printing a graphic on the screen emulsion | Geoff McCue, Mark E. Guckin, Russell F. Croft, Jay T. Niland, Sr. | 1992-10-20 |
| 5042935 | Blanks for making prescription eyeglass lenses | David J. Logan | 1991-08-27 |
| 4989316 | Method and apparatus for making prescription eyeglass lenses | David J. Logan | 1991-02-05 |
| 4700205 | Hydraulic servomechanism for controlling the pressure of writing fluid in an ink jet printing system | Dale G. Blake | 1987-10-13 |
| 4651161 | Dynamically varying the pressure of fluid to an ink jet printer head | Dale G. Blake | 1987-03-17 |
| 4599626 | Ink drop ejecting head | — | 1986-07-08 |
| 4580914 | Apparatus and method for positioning an ink-jet printing head | Jeffrey Murray, Brian D. Phelan | 1986-04-08 |
| 4575730 | Ink jet printing randomizing droplet placement apparatus | David J. Logan | 1986-03-11 |
| 4562445 | Apparatus and method for driving ink jet printer | — | 1985-12-31 |
| 4380944 | Method for cutting sheet material with variable gain closed loop | H. Joseph Gerber | 1983-04-26 |
| 4363330 | Method, system and apparatus for cutting profiles from natural leaves | Robert I. Sinclair, Verner Anderson, David J. Logan | 1982-12-14 |
| 4331051 | Apparatus for cutting sheet material with variable gain closed loop | H. Joseph Gerber | 1982-05-25 |
| 4296405 | Device for converting analog signals from a natural leaf scanner into digital signals and method of operating same | — | 1981-10-20 |
| 4205914 | Device for creating digital signals representative of a natural leaf profile | Verner Anderson, Charles M. Hevenor, David J. Logan | 1980-06-03 |