CS

Charles James Spofford

📍 Greenfield, MA: #5 of 60 inventorsTop 9%
🗺 Massachusetts: #20,307 of 88,656 inventorsTop 25%
Overall (All Time): #786,200 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12371941 Self-aligning jamb jack screw with partial sphere 2025-07-29
12173516 Self-aligning jamb jack screw 2024-12-24
11454010 Appliance with shim compatible geometry 2022-09-27
10709242 Appliance with a base wall having a contact surface including at least three internal leveling extension platforms and method of use 2020-07-14
8813437 Integral shim-pack with an adjustment pull tang 2014-08-26
4592402 Adjustable modules 1986-06-03