HH

Hobbe D. Holscher

SD South African Inventions Development: 2 patents #9 of 48Top 20%
Overall (All Time): #2,363,704 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4403857 Distance measuring device and method — 1983-09-13
4307397 Method of and apparatus for measuring distance — 1981-12-22