John T. Day

MI Mining Services International: 1 patents #1 of 2Top 50%

🗺 Maryland: #154 of 841 inventorsTop 20%

Overall (1982): #53,476 of 81,411Top 70%

Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4334476	Primer cup	Lex L. Udy	1982-06-15