Assignee
SCHOOL BUS PARTS CO OF CANADA
CA·4 granted patents·107 citations·filing 1987–1990
Technology mixB60Q4
Top patents by PatentIndex Score
4 records- 0173US4766413ASchool bus stop sign control apparatusSCHOOL BUS PARTS CO OF CANADA·Filed 1987·Granted Aug 23, 1988·30 cites·6 claims
- 0272US5036307AWeather resistant control system for school bus safety deviceSCHOOL BUS PARTS CO OF CANADA·Filed 1990·Granted Jul 30, 1991·37 cites·17 claims
- 0367US4816804ASchool bus stop sign control apparatusSCHOOL BUS PARTS CO OF CANADA·Filed 1988·Granted Mar 28, 1989·25 cites·5 claims
- 0451US4916372AControl system for school bus safety deviceSCHOOL BUS PARTS CO OF CANADA·Filed 1989·Granted Apr 10, 1990·15 cites·9 claims
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