Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4951348 | Rotatable indexable accessory vacuum cleaner tool | Charles Z. Krasznai, Richard B. Kosten, Burton E. Gerke, Jr. | 1990-08-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4951348 | Rotatable indexable accessory vacuum cleaner tool | Charles Z. Krasznai, Richard B. Kosten, Burton E. Gerke, Jr. | 1990-08-28 |