Issued Patents All Time
Showing 101–125 of 132 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5162496 | Method for the preparation of light-colored rosin esters | — | 1992-11-10 |
| 5147349 | Diode laser device for photocoagulation of the retina | Ralph B. Bettman, Acle V. Hicks, Michael J. Yessik | 1992-09-15 |
| 5120781 | Acid-modified polyhydric alcohol rosin ester tackifiers and hot melt adhesive compositions containing those tackifiers | — | 1992-06-09 |
| 5117324 | UPS-computer system and method for initiating computer shutdown based on remaining battery time as determined from sensed battery voltage and discharge curves | — | 1992-05-26 |
| 5023319 | Stabilization of modified rosin | Samuel D. Hollis | 1991-06-11 |
| 5019167 | Stabilized rosin esters and hot melt adhesives containing them | Kenneth E. Krajca | 1991-05-28 |
| 5018152 | Apparatus for controlling pulse energy in a Q-switched laser system | Mark A. Linne, Richard G. Thompson | 1991-05-21 |
| 4980812 | Uninterrupted power supply system having improved power factor correction circuit | Joseph C. Paulakonis | 1990-12-25 |
| 4962186 | Method of improving the color of tall oil rosin esters by recrystallizing and distilling rosin followed by esterifying | — | 1990-10-09 |
| 4948707 | Conditioning a non-conductive substrate for subsequent selective deposition of a metal thereon | William H. Lawrence, Gary K. Lemon, Roy H. Magnuson, Voya R. Markovich, Ralph E. Parsons +1 more | 1990-08-14 |
| 4935861 | Uninterrupted power supply having no low frequency power magnetics | William J. Raddi, George W. Oughton, Jr. | 1990-06-19 |
| 4899875 | Article for storing optically readable and recordable disc devices | Arthur G. F. Herr, Toby Welles | 1990-02-13 |
| 4881640 | Article for storing optically readable and recordable disc devices | Arthur G. F. Herr, Toby Welles | 1989-11-21 |
| 4813849 | Fluid pump with air inducer | Peter Grujanac | 1989-03-21 |
| 4788009 | Method of preparing rosin esters of improved thermal stability with inorganic salt of phosphorous or hypophosphorous acid | — | 1988-11-29 |
| 4771883 | Article for storing digital laser disc devices | Arthur G. F. Herr, Toby Welles | 1988-09-20 |
| 4758379 | Process of preparing polyol esters of rosin with excess rosin | — | 1988-07-19 |
| 4737135 | Toy with spring-loaded inner vehicle | Tak Ko Wong | 1988-04-12 |
| 4693847 | Method of preparing hot-melt stable rosin ester with organic ester of hypophosphorous acid catalyst | — | 1987-09-15 |
| 4690783 | Method of preparing rosin ester from polyol with phosphorous acid catalyst | — | 1987-09-01 |
| 4673825 | Uninterruptible power supply with isolated bypass winding | William J. Raddi, John G. Tracy, Blazej W. Sonnenberg | 1987-06-16 |
| 4585584 | Process for preparing rosin esters of improved color | Roger L. Logan | 1986-04-29 |
| 4547100 | Adjustable milling cutter | Peter Naccarato | 1985-10-15 |
| 4501563 | Marker buoy | Richard S. Hobbs | 1985-02-26 |
| 4490255 | Combined settling and liquid storage tank | — | 1984-12-25 |