Beryl F. M. Marsh

OE Otis Elevator: 2 patents #650 of 1,840Top 40%

📍 Unionville, CT: #45 of 92 inventorsTop 50%

🗺 Connecticut: #15,609 of 34,797 inventorsTop 45%

Overall (All Time): #2,291,216 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5304754	Cam follower	—	1994-04-19
5276299	Elevator limit switch	—	1994-01-04