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William D. Prifert

PCPriefert Mfg. Co: 1 patents #1 of 2Top 50%
Hearne, TX: #1 of 2 inventorsTop 50%
Texas: #885 of 4,134 inventorsTop 25%
Overall (1989): #139,145 of 140,708Top 100%
1 Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4858417 Mower with adjustable extension wings Marvin J. Priefert 1989-08-22

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