David Drake

KK K.A. Schmersal Holding Gmbh & Co. Kg: 1 patents #1 of 2Top 50%

📍 Letchworth, CA: #1 of 1 inventorsTop 100%

Overall (1997): #164,002 of 185,788Top 90%

Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5606881	Key operable safety switch	—	1997-03-04