Issued Patents All Time
Showing 101–116 of 116 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8316462 | Tip-to-work distance communication system for a welding mask | Kyle Andrew Pfeifer | 2012-11-27 |
| 7962967 | Weld characteristic communication system for a welding mask | Kyle Andrew Pfeifer | 2011-06-21 |
| 7926118 | Voice control welding/cutting helmet functions and settings | Hans J. Bachmeier | 2011-04-19 |
| 7303126 | System and method for sensing ambient light in an optical code reader | Mehul Patel, Pierre Craen, Daniel Brown | 2007-12-04 |
| 5100201 | Passive ergonomic work chair | Philip K. Donnelly | 1992-03-31 |
| 4952143 | Dental bleaching instrument | Kenneth S. Magid | 1990-08-28 |
| 4910183 | Fluoran derivatives and their use in recording materials | Patricia Dwyer-Hallquist, Robert E. Miller, Kenneth D. Glanz | 1990-03-20 |
| 4837210 | Fluoran derivatives and their use in recording materials | Patricia Dwyer-Hallquist, Robert E. Miller, Kenneth D. Glanz | 1989-06-06 |
| 4334863 | Illuminator for dental handpiece | Kenneth S. Magid | 1982-06-15 |
| 4334072 | Lactone compounds containing an indolizine radical | Sheldon Farber, Troy E. Hoover | 1982-06-08 |
| 4290933 | Adhesive composition for making form sets from carbonless copy paper sheets | — | 1981-09-22 |
| 4275206 | Lactone compounds containing an indolizine radical | Sheldon Farber, Troy E. Hoover | 1981-06-23 |
| 4242513 | Lactone compounds containing a heterocyclic radical | Troy E. Hoover, Sheldon Farber | 1980-12-30 |
| 4232887 | Lactone compounds containing an indolizine radical | Sheldon Farber, Troy E. Hoover | 1980-11-11 |
| 4230514 | Process for making form sets from carbonless copy paper sheets | Kenneth D. Glanz, Peter L. Foris, Robert W. Brown, Jerrold L. Anderson | 1980-10-28 |
| 4217162 | Process for making form sets from carbonless copy paper sheets | Kenneth D. Glanz, Robert E. Miller | 1980-08-12 |