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Richard H. Sprick

Lake City, MN: #1 of 3 inventorsTop 35%

Minnesota: #240 of 2,841 inventorsTop 9%

Overall (1994): #21,881 of 165,921Top 15%

2 Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
D351362	Double chain collar keeper	—	1994-10-11
D345533	Double chain collar keeper	—	1994-03-29