Calvin M. Mayer

📍 Casselton, ND: #1 of 1 inventorsTop 100%

🗺 North Dakota: #15 of 100 inventorsTop 15%

Overall (1997): #169,905 of 185,788Top 95%

Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5669505	Disposable serving tray	—	1997-09-23