Patent assignee · US · COMPANY

AVALON ENGINEERING LTD

2Patents
0Active
2Granted
22Portfolio score

Filing activity: May 18, 1992 → Mar 28, 1993

Most-cited patents

PatentTitleAreaCited byStatus
US5225691A Semiconductor wafer cassette mapper with emitter and detector arrays for slot interrogation Emerging Cross-Sectional Technologies 59 Expired
US5308993A Semiconductor wafer cassette mapper having dual vertical column of light emitting apertures and a single vertical column of light receiving apertures Emerging Cross-Sectional Technologies 20 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.