sentences:  1980 to 1990 — Operated a proprietorship, POP-OPTIX LABS with revenue from consulting and manufacture of custom optical and electronic devices.Promotion and some sales of the LEEP system during this period led to the use of the LEEP optics in theme park attractions and almost all of the Virtual Reality Headsets (Head-Mounted Displays, or HMDs) sold in the ‘80s and until manufacturers gave up on truly wide Field of View in the ‘90s.1991 — Founded and operated LEEP Systems, Inc. to address the market for complete wide angle Telepresence and Virtual Reality systems for research and for medical and military purposes.