Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33658 | Lubricants for reciprocating air compressors | Philip W. McGraw, Thomas J. Appleman | 1991-08-06 |
| 4959169 | Esterified polyglycol lubricants for refrigeration compressors | Philip W. McGraw, Michael W. Edens | 1990-09-25 |
| 4851144 | Lubricants for refrigeration compressors | Philip W. McGraw | 1989-07-25 |
| 4751012 | Lubricants for reciprocating air compressors | Philip W. McGraw, Thomas J. Appleman | 1988-06-14 |
| 4243675 | (Bis)dithiocarbamate) salts | Charles W. Martin | 1981-01-06 |
| 4211784 | Bis(dithiocarbamate) salts | Charles W. Martin | 1980-07-08 |
| 4203999 | Bis(dithiocarbamate) salts | Charles W. Martin | 1980-05-20 |
| 4195138 | Chelate resins prepared from the cured reaction product of a polyalkylenepolyamine and epoxide | — | 1980-03-25 |
| 4189539 | Reaction product of an epoxide and a polyalkylenepolyamine in bead form and a method for preparing same | — | 1980-02-19 |
| 4186086 | Weak base ion exchange resins of a polyalkylenepolyamine and polyepoxide | — | 1980-01-29 |