DJ

David C. Janssen

BS Briggs & Stratton: 1 patents #4 of 17Top 25%
📍 Whitefish Bay, WI: #5 of 12 inventorsTop 45%
🗺 Wisconsin: #406 of 1,957 inventorsTop 25%
Overall (1994): #145,421 of 165,921Top 90%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5287098 Fail safe system for a mechanical lock and key set with electrical interlock — 1994-02-15