Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10256617 | Handhole assembly | Julian P. Trangsrud | 2019-04-09 |
| 9239937 | Targeted security policy override | Randall Scott Springfield | 2016-01-19 |
| 7361834 | Electric handhole/pullbox access cover | Julian P. Trangsrud | 2008-04-22 |
| 4855338 | Method for treating grafted protein latices | Satish C. Sharma | 1989-08-08 |
| 4812550 | Preparation of latices | Thomas F. Reed | 1989-03-14 |
| 4806610 | Method for making latices | — | 1989-02-21 |
| 4381204 | Adhesion of rubber to brass | — | 1983-04-26 |
| 4333785 | Adhesion of brass to rubber | — | 1982-06-08 |
| 4333787 | Adhesion of rubber to brass | — | 1982-06-08 |
| 4299640 | Rubber-brass adhesion improved through treatment of the metal with amino carboxylic acid or salt thereof | — | 1981-11-10 |