Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
KL

Karl H. Letsch — 4 Patents

AMAmp: 4 patents #288 of 1,260Top 25%
Wyomissing, PA: #38 of 125 inventorsTop 35%
Pennsylvania: #19,182 of 74,527 inventorsTop 30%
Overall (All Time): #1,303,826 of 4,157,543Top 35%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4767298 Heat staking apparatus Keith A. Bocchicchio, David L. Hall, Mark F. Jackson, Joseph R. Keller 1988-08-30
4750261 Pick up head George D. Reuss, Leo V. Schuppert, Jr. 1988-06-14
4717304 Electrical connector feeding apparatus Keith A. Bocchicchio, Glenn I. Hoffner 1988-01-05
4551901 Component insertion apparatus George F. Bonifanti, Mark F. Jackson, Bruce C. Longenecker, Phillip E. Loomis, Hung T. Nguyen +3 more 1985-11-12