On July 31, 1790, the first U.S. patent was issued to Samuel Hopkins of Vermont for this.
The post Daily Quiz for June 8, 2016 appeared first on HistoryNet.
kumpulan berbagai informasi sejarah / riwayat dan peristiwa penting lainnya dalam sejarah manusia
On July 31, 1790, the first U.S. patent was issued to Samuel Hopkins of Vermont for this.
The post Daily Quiz for June 8, 2016 appeared first on HistoryNet.
0 komentar:
Posting Komentar