Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5829736 | Winch having drum of two diameters for alternative engagement by a line at two speeds | — | 1998-11-03 |
| 5249543 | Snatch block | Goran Rutgerson, Kenneth E. Lange | 1993-10-05 |
| 5156378 | Bearing block having high strength to weight ratio | Dane Blackburn | 1992-10-20 |
| 5044294 | Mast track system for sailing vessel | Christine G. Kronich, Gregory W. Hartlmeier | 1991-09-03 |
| D306134 | Pulley-type bearing block or similar article | Gregory W. Hartlmeier, David J. Swandt | 1990-02-20 |
| D293881 | Marine block or similar article | Greg Hartlmeier | 1988-01-26 |
| 4719869 | Sailboat traveler car assembly with removable block | Robert A. Whitehouse, Kenneth E. Lange | 1988-01-19 |
| 4718371 | Resilient support for yacht fitting | Eugene J. Cramer, Robert A. Whitehouse | 1988-01-12 |
| 4453486 | Cam cleat | — | 1984-06-12 |