Ralph H. Hoyeck

📍 Westmount, CA: #110 of 432 inventorsTop 30%

Overall (All Time): #1,300,085 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
5026095	Perpetual blind calendars series 2	—	1991-06-25
4912890	Air/water cranes	—	1990-04-03
4906134	Self supporting flexible wall dams	—	1990-03-06
4838792	One letter alphabet (OLA)	—	1989-06-13