HP

Harley A. Perkins

NO Northrop: 3 patents #30 of 277Top 15%
📍 Brookline, MA: #1,183 of 3,196 inventorsTop 40%
🗺 Massachusetts: #33,482 of 88,656 inventorsTop 40%
Overall (All Time): #1,662,137 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5137358 Ring laser gyro having two magnetic mirrors 1992-08-11
4968136 Ring laser gyro and magnetic mirror therefor Wah L. Lim, V. Warren Biricik, Samuel J. Holmes, Frank R. Nakatsukasa, Joseph M. Bresman +2 more 1990-11-06
4899346 Path length control system for magnetic mirror dithered ring laser gyros 1990-02-06