DB

David C. Barker

AP Automotive Products, Plc: 10 patents #5 of 119Top 5%
📍 Oak Park, MI: #16 of 200 inventorsTop 8%
🗺 Michigan: #8,484 of 86,293 inventorsTop 10%
Overall (All Time): #474,893 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
5020326 Hydraulic control system with prefilled pressurized reservoir Richard A. Nix, Keith V. Leigh-Monstevens 1991-06-04
5002169 Restraining strap 1991-03-26
4949590 Hydraulic cylinder assembly Keith V. Leigh-Monstevens 1990-08-21
4924673 Master cylinder with parallel-bore reservoir Keith V. Leigh-Monstevens 1990-05-15
4909131 Snap-connected multi-part cylinder for pull-type master cylinder Richard A. Nix, Charles A. Kassin, Marina Kassin 1990-03-20
4893472 Collapsible tubular diaphragm for master cylinder reservoir Keith V. Leigh-Monstevens 1990-01-16
4831916 Piston assembly Keith V. Leigh-Monstevens, Leslie P. Branum 1989-05-23
4766804 Retainer assembly for hydraulic actuator 1988-08-30
4750878 Retainer bushing Richard A. Nix, David L. Wrobleski 1988-06-14
4742193 Retaining device for hydraulic master cylinder switch Charles A. Kassin 1988-05-03
4665802 Shipping and installation restraining strap for slave cylinder David L. Wrobleski, Richard A. Nix, Keith V. Leigh-Monstevens 1987-05-19