Home › Inventors › Meryl M. Hall, Sr.

Meryl M. Hall, Sr. — 2 Patents

Herndon, WV: #1 of 1 inventorsTop 100%

West Virginia: #1,108 of 3,425 inventorsTop 35%

Overall (All Time): #2,334,847 of 4,157,543Top 60%

2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4766269	Fused trolley switch	—	1988-08-23
4721044	Rail car skid insertion device	—	1988-01-26