William Prindle

RC Robinson Knife Manufacturing Co.: 13 patents #2 of 7Top 30%

CW Corning Glass Works: 3 patents #113 of 496Top 25%

CI Corning Incorporated: 2 patents #1,705 of 3,867Top 45%

IP Igloo Products: 1 patents #29 of 48Top 65%

MK M. Kamenstein: 1 patents #17 of 23Top 75%

UN Unknown: 1 patents #29,356 of 83,584Top 40%

📍 Ames, IA: #29 of 1,427 inventorsTop 3%

🗺 Iowa: #345 of 15,303 inventorsTop 3%

Overall (All Time): #138,924 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #	Title	Co-Inventors	Date
4509651	Versatile knife holder	—	1985-04-09
4317284	Flatware eating utensils	—	1982-03-02
4224763	Vase, horticultural display and method of preparing a horticultural display	—	1980-09-30