Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Limestone, ME ranks #64,437 worldwide for total patents filed all time, with 6 patents from 3 inventors. Leading employers of inventors based in Limestone, ME include Bennett Optical Research. That works out to 6.9 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–3 of 3 inventors

Rank Inventor Primary Company Patents
1 Jack Westfall Bennett Optical Research 4
2 Curtis C. Hendricksen 1
2 Glenn E. Mackie 1

Part of Maine